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Bureau of Land Management
Agency within the United States Department of the Interior

The Bureau of Land Management (BLM) is an agency within the United States Department of the Interior responsible for administering U.S. federal lands. Headquartered in Washington, D.C., the BLM oversees more than 247.3 million acres (1,001,000 km2) of land, or one-eighth of the United States's total landmass.

The Bureau was created by Congress during the presidency of Harry S. Truman in 1946 by combining two existing agencies: the United States General Land Office and the Grazing Service. The agency manages the federal government's nearly 700 million acres (2,800,000 km2) of subsurface mineral estate located beneath federal, state and private lands severed from their surface rights by the Homestead Act of 1862. Most BLM public lands are located in these 12 western states: Alaska, Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington and Wyoming.

The mission of the BLM is "to sustain the health, diversity, and productivity of the public lands for the use and enjoyment of present and future generations." Originally BLM holdings were described as "land nobody wanted" because homesteaders had passed them by. All the same, ranchers hold nearly 18,000 permits and leases for livestock grazing on 155 million acres (630,000 km2) of BLM public lands. The agency manages 221 wilderness areas, 29 national monuments and some 636 other protected areas as part of the National Conservation Lands (formerly known as the National Landscape Conservation System), totaling about 36 million acres (150,000 km2). In addition the National Conservation Lands include nearly 2,400 miles of Wild and Scenic Rivers, and nearly 6,000 miles of National Scenic and Historic Trails. There are more than 63,000 oil and gas wells on BLM public lands. Total energy leases generated approximately $5.4 billion in 2013, an amount divided among the Treasury, the states, and Native American groups.

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History

Background

The BLM's roots go back to the Land Ordinance of 1785 and the Northwest Ordinance of 1787.14 These laws provided for the survey and settlement of the lands that the original Thirteen Colonies ceded to the federal government after the American Revolution.15 As additional lands were acquired by the United States from Spain, France and other countries, the United States Congress directed that they be explored, surveyed, and made available for settlement.16

During the Revolutionary War, military bounty land was promised to soldiers who fought for the colonies.17 After the war, the Treaty of Paris of 1783, signed by the United States, the UK, France, and Spain, ceded territory to the United States.1819 In the 1780s, other states relinquished their own claims to land in modern-day Ohio.20 By this time, the United States needed revenue to function21 and land was sold as a source of income for the government.22

In order to sell the land, surveys needed to be conducted. The Land Ordinance of 1785 instructed a geographer to oversee this work as undertaken by a group of surveyors.23 The first years of surveying were completed by trial and error; once the territory of Ohio had been surveyed, a modern public land survey system had been developed.24 In 1812, Congress established the United States General Land Office as part of the Department of the Treasury to oversee the disposition of these federal lands.25 By the early 1800s, promised bounty land claims were finally fulfilled.26

In the 19th century, other bounty land and homestead laws were enacted to dispose of federal land.2728 Several different types of patents existed.29 These include cash entry, credit, homestead, Indian, military warrants, mineral certificates, private land claims, railroads, state selections, swamps, town sites, and town lots.30 A system of local land offices spread throughout the territories, patenting land that was surveyed via the corresponding Office of the Surveyor General of a particular territory.31 This pattern gradually spread across the entire United States.32 The laws that spurred this system with the exception of the General Mining Law of 1872 and the Desert Land Act of 1877 have since been repealed or superseded.33

In the early 20th century, Congress took additional steps toward recognizing the value of the assets on public lands and directed the Executive Branch to manage activities on the remaining public lands.34 The Mineral Leasing Act of 1920 allowed leasing, exploration, and production of selected commodities, such as coal, oil, gas, and sodium to take place on public lands.35 The Taylor Grazing Act of 1934 established the United States Grazing Service to manage the public rangelands by establishment of advisory boards that set grazing fees.3637 The Oregon and California Revested Lands Sustained Yield Management Act of 1937, commonly referred as the O&C Act, required sustained yield management of the timberlands in western Oregon.38

Establishment and early history

In 1946, the Grazing Service was merged with the United States General Land Office to form the Bureau of Land Management within the Department of the Interior.39 It took several years for this new agency to integrate and reorganize.40 In the end, the Bureau of Land Management became less focused on land disposal and more focused on the long term management and preservation of the land.41 The agency achieved its current form by combining offices in the western states and creating a corresponding office for lands both east of and alongside the Mississippi River.42 As a matter of course, the BLM's emphasis fell on activities in the western states as most of the mining, land sales, and federally owned areas are located west of the Mississippi.43

BLM personnel on the ground have typically been oriented toward local interests, while bureau management in Washington are led by presidential guidance.44 By means of the Federal Land Policy and Management Act of 1976, Congress created a more unified bureau mission and recognized the value of the remaining public lands by declaring that these lands would remain in public ownership.45 The law directed that these lands be managed with a view toward "multiple use" defined as "management of the public lands and their various resource values so that they are utilized in the combination that will best meet the present and future needs of the American people."46

Since the Reagan administration in the 1980s, Republicans have often given priority to local control and to grazing, mining and petroleum production, while Democrats have more often emphasized environmental concerns even when granting mining and drilling leases.47 In September 1996, then President Bill Clinton used his authority under the Antiquities Act to establish the Grand Staircase–Escalante National Monument in southern Utah, the first of now 20 national monuments established on BLM lands and managed by the agency.48 The establishment of Grand Staircase–Escalante foreshadowed later creation of the BLM's National Landscape Conservation System in 2000. Use of the Antiquities Act authority, to the extent it effectively scuttled a coal mine to have been operated by Andalex Resources, delighted recreation and conservation enthusiasts but set up larger confrontations with state and local authorities.4950

First Trump administration

Under the Trump administration, the BLM offered millions of acres of available Federal lands for 10-year leases for commercial development, potentially in oil and gas and mining, with the stated goal of "promoting American energy security".51 The BLM holds quarterly oil and gas lease sales.52 According to a June 18, 2018 article in The Atlantic, under the tenure of then-United States Secretary of the Interior, Ryan Zinke "practically gave away hundreds of thousands of acres of open land across the West, leasing it to energy companies for pennies on the dollar."53 The Salt Lake Tribune reported that in March 2019, the price per acre for leases near the Golden Spike National Historical Park, in Utah were "$1.50 an acre for the next two years".54 By September 11, 2018, the Department of Interior was offering 2.9 million acres to be leased to commercial operations including drilling for oil and gas and mining in New Mexico, Colorado, Arizona, and other states where public land is not protected by a national park or monument designation.55 The BLM's May 30, 2019 statement proposed an additional 183,668 acres on "lands managed by the Canyon Country, Color Country, Green River, and West Desert districts" that would be listed for the quarterly oil and gas lease sale on September 10, 2019.56 In their May 2019, September lease offerings, the BLM said that they had "245 million acres of public land located primarily in 12 Western states, including Alaska" and across the United States another "700 million acres of sub-surface mineral estate" is under their management. The statement also said that these "diverse activities authorized on these lands generated $96 billion in sales of goods and services throughout the American economy in fiscal year 2017" while supporting over 468,000 jobs".57

On August 4, 2020, President Trump signed the Great American Outdoors Act into law, committing up to $1.9 billion from energy development revenues to the National Parks and Public Land Legacy Restoration Fund each year for five years for needed maintenance for critical facilities and infrastructure in national parks, forests, wildlife refuges, recreation areas and American Indian schools. The Act also committed $900 million a year in royalties from offshore oil and natural gas to permanently fund the Land and Water Conservation Fund investments in conservation and recreation opportunities across the country.5859

Also in August 2020, the BLM headquarters was relocated to Grand Junction, Colorado, by an order signed by Interior Secretary David Bernhardt.60 The relocation was praised by Republican Western politicians but criticized by Democrats as a move to weaken the agency through the loss of experienced staffers, who opted to stay in Washington, D.C.6162 Some ranchers were concerned about the isolation of Grand Junction compared to other Western cities, having limited flights and road access.63 After the announcement, 87% of D.C.-based employees left, prompting former lead career BLM official Steve Ellis to state "the bureau lost a tremendous amount of expertise...[of] very seasoned people."64

Biden administration

On September 17, 2021, Secretary Deb Haaland announced that the headquarters would be moved back to Washington, D.C.656667

Under the Biden administration, the BLM is working on a pilot project called "outcomes-based grazing", to see if cattle grazing can help achieve conservation, agency director Tracy Stone-Manning said in an interview published in April 2022.68

In June 2022, the BLM finalized two acquisitions in Colorado and Wyoming, acquiring over 40,000 acres of previously inaccessible land. The acquisition in Wyoming for 35,670 acres is the agency's largest ever purchase in the state.6970

In 2024 the Department of the Interior has begun to advance a new rule according to which the Bureau of Land Management can distribute restoration leases and mitigation leases exactly in the same way as it distributes new leases for oil and gas drilling. The designed land will be used for nature conservation including use of indigenous knowledge.71

Programs

  • Grazing. The BLM manages livestock grazing on nearly 155 million acres (630,000 km2) million acres under the Taylor Grazing Act of 1934.72 The agency has granted more than 18,000 permits and leases to ranchers who graze their livestock, mostly cattle and sheep, at least part of the year on BLM public lands.73 Permits and leases generally cover a 10-year period and are renewable if the BLM determines that the terms and conditions of the expiring permit or lease are being met.74 The federal grazing fee is adjusted annually and is calculated using a formula originally set by Congress in the Public Rangelands Improvement Act of 1978.75 Under this formula, the grazing fee cannot fall below $1.35 per animal unit month (AUM), nor can any fee increase or decrease exceed 25 percent of the previous year's level.7677 The grazing fee for 2014 was set at $1.35 per AUM, the same level as for 2013.78 Over time there has been a gradual decrease in the amount of grazing that takes place on BLM-managed land.79 Grazing on public lands has declined from 18.2 million AUMs in 1954 to 7.9 million AUMs in 2013.80
  • Mining. Domestic production from over 63,000 Federal onshore oil and gas wells on BLM lands accounts for 11 percent of the natural gas supply and five percent of the oil supply in the United States.81 BLM has on record a total of 290,000 mining claims under the General Mining Law of 1872.82 The BLM issues permits for oil and gas, coal, strategic minerals, and renewable energy resources such as wind, geothermal and solar to be developed on public lands.83 The total mining claims on lands owned by the BLM has decreased while the number of rejected claims has increased. Among the over 3.8 million mining claims overseen by BLM just over 10% of claims still active, of which Nevada has the most at 203,705 and California has 49,259.84
  • Coal leases. The BLM holds the coal mineral estate to more than 570 million acres (2,300,000 km2) where the owner of the surface is the federal government, a state or local government, or a private entity.85 As of 2013, the BLM had competitively granted 309 leases for coal mining to 474,252 acres (191,923 ha), an increase of 13,487 acres (5,458 ha) or nearly 3% increase in land subject to coal production over ten years' time.86
  • Recreation. The BLM administers 205,498 miles (330,717 km) of fishable streams, 2.2 million acres (8,900 km2) of lakes and reservoirs, 6,600 miles (10,600 km) of floatable rivers, over 500 boating access points, 69 National Back Country Byways, and 300 Watchable Wildlife sites.87 The agency also manages 4,500 miles (7,200 km) of National Scenic, National Historic and National Recreation Trails, as well as thousands of miles of multiple use trails used by motorcyclists, hikers, equestrians, and mountain bikers.88 In 2013, BLM lands received an estimated 61.7 million recreational visitors.89 Over 99% of BLM-managed lands are open to hunting, recreational shooting opportunities, and fishing.
  • Conservation. The National Landscape Conservation System preserves a variety of lands protected from development.
  • California Desert Conservation Area. The California Desert Conservation Area covers 25 million acres (100,000 km2) of land in southern California designated by Congress in 1976 by means of the Federal Land Policy and Management Act.90 BLM is charged with administering about 10 million acres (40,000 km2) of this fragile area with its potential for multiple uses in mind.91
  • Timberlands. The Bureau manages 55 million acres (220,000 km2) of forests and woodlands, including 11 million acres (45,000 km2) of commercial forest and 44 million acres (180,000 km2) of woodlands in 11 western states and Alaska.92 53 million acres (210,000 km2) are productive forests and woodlands on public domain lands and 2.4 million acres (9,700 km2) are on O&C lands in western Oregon.93
  • Firefighting. Well in excess of 3,000 full-time equivalent firefighting personnel work for BLM.94 The agency fought 2,573 fires on BLM-managed lands in fiscal year 2013.95
  • Mineral rights on Indian lands. As part of its trust responsibilities, the BLM provides technical advice for minerals operations on 56 million acres (230,000 km2) of Indian lands.96
  • Leasing and Land Management of Split Estates. A split estate is similar to the broad form deeds used, starting in the early 1900s. It is a separation of mineral rights and surface rights on a property. The BLM manages split estates, but only in cases when the "surface rights are privately owned and the rights to the minerals are held by the Federal Government."97
  • Cadastral surveys. The BLM is the official record keeper for over 200 years' worth of cadastral survey records and plats as part of the Public Land Survey System.98 In addition, the Bureau still completes numerous new surveys each year, mostly in Alaska, and conducts resurveys to restore obliterated or lost original surveys.99
  • Abandoned mines. BLM maintains an inventory of known abandoned mines on the lands it manages.100 As of April 2014, the inventory contained nearly 46,000 sites and 85,000 other features.101 Approximately 23% of the sites had either been remediated, had reclamation actions planned or underway, or did not require further action. The remaining sites require further investigation.102 A 2008 Inspector General report alleges that BLM has for decades neglected the dangers represented by these abandoned mines.103
  • Energy corridors. Approximately 5,000 miles (8,000 km) of energy corridors for pipelines and transmission lines are located on BLM-managed lands.104
  • Helium. BLM operates the National Helium Reserve near Amarillo, Texas, a program begun in 1925 during the time of the Zeppelin Wars.105 Though the reserve had been set to be moved to private hands, it remains subject to oversight of the BLM under the provisions of the unanimously-passed Responsible Helium Administration and Stewardship Act of 2013.106107
  • Revenue and fees. The BLM produces significant revenue for the United States budget.108 In 2009, public lands were expected to generate an estimated $6.2 billion in revenues, mostly from energy development.109 Nearly 43.5% of these funds are provided directly to states and counties to support roads, schools, and other community needs.110

National Landscape Conservation System

Established in 2000, the National Landscape Conservation System is overseen by the BLM.111 The National Landscape Conservation System lands constitute just about 12% of the lands managed by the BLM.112 Congress passed Title II of the Omnibus Public Land Management Act of 2009 (Public Law 111-11) to make the system a permanent part of the public lands protection system in the United States.113114 By designating these areas for conservation, the law directed the BLM to ensure these places are protected for future generations, similar to national parks and wildlife refuges.115

CategoryUnit typeNumberBLM acresBLM miles
National Conservation LandsNational Monuments295,590,135 acres (22,622.47 km2)
National Conservation LandsNational Conservation Areas163,671,519 acres (14,858.11 km2)
National Conservation LandsAreas Similar to National Conservation Areas5436,164 acres (1,765.09 km2)
WildernessWilderness Areas2218,711,938 acres (35,255.96 km2)
WildernessWilderness Study Areas52812,760,472 acres (51,639.80 km2)
National Wild and Scenic RiversNational Wild and Scenic Rivers691,001,353 acres (4,052.33 km2)2,423 miles (3,899 km)
National Trails SystemNational Historic Trails135,078 miles (8,172 km)
National Trails SystemNational Scenic Trails5683 miles (1,099 km)
Totals877About 36 million acres (150,000 km2) (some units overlap)8,184 miles (13,171 km)

Source: BLM Resources and Statistics116

Law enforcement and security

The BLM, through its Office of Law Enforcement and Security, functions as a federal law enforcement agency of the United States Government. BLM law enforcement rangers and special agents receive their training through Federal Law Enforcement Training Centers (FLETC).117 Full-time staffing for these positions approaches 300.118119

Uniformed rangers enforce laws and regulations governing BLM lands and resources.120 As part of that mission, these BLM rangers carry firearms and defensive equipment, make arrests, execute search warrants, complete reports and testify in court.121 They seek to establish a regular and recurring presence on a vast amount of public lands, roads and recreation sites. They focus on the protection of natural and cultural resources, other BLM employees and visitors.122 Given the many locations of BLM public lands, these rangers use canines, helicopters, snowmobiles, dirt bikes and boats to perform their duties.123

By contrast BLM special agents are criminal investigators who plan and conduct investigations concerning possible violations of criminal and administrative provisions of the BLM and other statutes under the United States Code.124 Special agents are normally plain clothes officers who carry concealed firearms and other defensive equipment, make arrests, carry out complex criminal investigations, present cases for prosecution to local United States Attorneys and prepare investigative reports.125 Criminal investigators occasionally conduct internal and civil claim investigations.126

The current sidearm is the SIG Sauer P320 chambered in 9mm which is replacing the SIG Sauer P226/P229 both chambered in .40 S&W.

Wild horse and burro program

See also: Mustang, Burro, Wild and Free-Roaming Horses and Burros Act of 1971, and List of BLM Herd Management Areas

The BLM manages free-roaming horses and burros on public lands in ten western states.127 Though they are feral, the agency is obligated to protect them under the Wild and Free-Roaming Horses and Burros Act of 1971 (WFRHBA).128 As the horses have few natural predators, populations have grown substantially.129 WFRHBA as enacted provides for the removal of excess animals; the killing of lame, old, or sick animals; the private placement or adoption of excess animals; and even the killing of healthy animals if range management required it.130131 The killing of healthy or unhealthy horses has almost never occurred.132 Pursuant to the Public Rangelands Improvement Act of 1978, the BLM has established 179 "herd management areas" (HMAs) covering 31.6 million acres (128,000 km2) acres where feral horses can be found on federal lands.133

In 1973, BLM began a pilot project on the Pryor Mountains Wild Horse Range known as the Adopt-A-Horse initiative.134 The program took advantage of provisions in the WFRHBA to allow private "qualified" individuals to "adopt" as many horses as they wanted if they could show that they could provide adequate care for the animals.135 At the time, title to the horses remained permanently with the federal government.136 The pilot project was so successful that BLM allowed it to go nationwide in 1976.137 The Adopt-a-Horse program quickly became the primary method of removing excess feral horses from BLM land given the lack of other viable methods.138 The BLM also uses limited amounts of contraceptives in the herd, in the form of PZP vaccinations; advocates say that additional use of these vaccines would help to diminish the excess number of horses currently under BLM management.139

Despite the early successes of the adoption program, the BLM has struggled to maintain acceptable herd levels, as without natural predators, herd sizes can double every four years.140 As of 2014, there were more than 49,000 horses and burros on BLM-managed land, exceeding the BLM's estimated "appropriate management level" (AML) by almost 22,500.141

The Bureau of Land Management has implemented several programs and has developed partnerships as part of their management plan for preserving wild burros and horses in the United States. There are several herds of horses and burros roaming free on 26.9 million acres of range spread out in ten western states. It is essential to maintain a balance that keeps herd management land and animal population healthy. Some programs and partnerships include the Mustang Heritage Foundation, U.S. Border Patrol, Idaho 4H, Napa Mustang Days and Little Book Cliffs Darting Team. These partnerships help with adoption and animal population as well as education and raising awareness about wild horses and burros.142

Renewable energy

In 2009, BLM opened Renewable Energy Coordination Offices in order to approve and oversee wind, solar, biomass, and geothermal projects on BLM-managed lands.143 The offices were located in the four states where energy companies had shown the greatest interest in renewable energy development: Arizona, California, Nevada, and Wyoming.144

  • Solar energy. In 2010, BLM approved the first utility-scale solar energy projects on public land.145 As of 2014, 70 solar energy projects covering 560,000 acres (2,300 km2) had been proposed on public lands managed by BLM primarily located in Arizona, California, and Nevada.146 To date, it has approved 29 projects that have the potential to generate 8,786 megawatts of renewable energy or enough energy to power roughly 2.6 million homes.147 The projects range in size from a 45-megawatt photovoltaic system on 422 acres (171 ha) to a 1,000-megawatt parabolic trough system on 7,025 acres (2,843 ha).148
  • Wind energy. BLM manages 20.6 million acres (83,000 km2) of public lands with wind potential.149 It has authorized 39 wind energy development projects with a total approved capacity of 5,557 megawatts or enough to supply the power needs of over 1.5 million homes.150 In addition, BLM has authorized over 100 wind energy testing sites.151
  • Geothermal energy. BLM manages 59 geothermal leases in producing status, with a total capacity of 1,500 megawatts.152 This amounts to over 40% of the geothermal energy capacity in the United States.153
  • Biomass and bioenergy. Its large portfolio of productive timberlands leaves BLM with woody biomass among its line of forest products.154 The biomass is composed of "smaller diameter materials" and other debris that result from timber production and forest management.155 Though the use of these materials as a renewable resource is nascent, the agency is engaged in pilot projects to increase the use of its biomass supplies in bioenergy programs.156

Directors

Directors of the BLM 1946–present157
No.ImageNameTermNotes
1Fred W. Johnson1581946–1948
2Marion Clawson1948–1953
3Edward Woosley1953–1961
4Karl Landstrom1961–1963
5Charles Stoddard1963–1966
6Boyd Rasmussen1966–1971
7Burton W. Silcock1971–1973
8Curt Berklund1973–1977
9Frank Gregg1978–1981
10Robert F. Burford1981–1989
11Cy Jamison1989–1992
12Jim BacaMay 19, 1993 – February 3, 1994159
–Mike Dombeck(Acting)February 4, 1994 – January 6, 1997160161
–Pat SheaAugust 1997–October 2, 1997162163
13October 2, 1997–November 13, 1998
–Tom FryNovember 14, 1998 – May 2001 (acting)164
14May 2001 – December 2001
15Kathleen ClarkeJanuary 2002 – December 28, 2006165
–James M. Hughes (acting)February 7, 2007 – August 7, 2007166
16James CaswellAugust 8, 2007 – January 20, 2009167
17Robert AbbeyAugust 8, 2009 – May 31, 2012168169170
–Mike PoolJune 1, 2012 – February 28, 2013 (acting)
–Neil KornzeMarch 1, 2013 – April 8, 2014 (acting)171172
18April 8, 2014 – January 20, 2017
–Kristin BailJanuary 20, 2017 – March 14, 2017 (acting)173
–Michael NeddMarch 15, 2017 - November 15, 2017 (acting)174
–Brian SteedNovember 16, 2017 – July 29, 2019 (acting)175
–William Perry PendleyJuly 30, 2019 – February 22, 2021 (acting)176177
–Nada Wolff CulverFebruary 23, 2021 – October 26, 2021 (acting)178
19Tracy Stone-ManningOctober 27, 2021 – January 13, 2025179180
–Jon Raby (acting)January 28, 2025–present181

See also

Further reading

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References

  1. "Public Land Statistics". BLM. Archived from the original on November 5, 2014. Retrieved November 15, 2014. https://web.archive.org/web/20141105050127/http://www.blm.gov/public_land_statistics/ ↩

  2. Elliott, Clayton R. (August 2010). Innovation in the U.S. Bureau of Land Management: Insights from Integrating Mule Deer Management with Oil and Gas Leasing (Masters Thesis) (Thesis). University of Montana. pp. 42–51. hdl:2027.42/77588. /wiki/University_of_Montana ↩

  3. Elliott, Clayton R. (August 2010). Innovation in the U.S. Bureau of Land Management: Insights from Integrating Mule Deer Management with Oil and Gas Leasing (Masters Thesis) (Thesis). University of Montana. pp. 42–51. hdl:2027.42/77588. /wiki/University_of_Montana ↩

  4. "History of the BLM: Yesterday and Today". BLM California. Archived from the original on November 27, 2014. Retrieved November 15, 2014. https://web.archive.org/web/20141127214504/http://www.blm.gov/ca/st/en/info/about_blm/history.print.html ↩

  5. "The Bureau of Land Management: Who We Are, What We Do". BLM. Archived from the original on November 27, 2014. Retrieved November 15, 2014. https://web.archive.org/web/20141127214355/http://www.blm.gov/wo/st/en/info/About_BLM.print.html ↩

  6. "History of the BLM: Yesterday and Today". BLM California. Archived from the original on November 27, 2014. Retrieved November 15, 2014. https://web.archive.org/web/20141127214504/http://www.blm.gov/ca/st/en/info/about_blm/history.print.html ↩

  7. "Fact Sheet on the BLM's Management of Livestock Grazing". BLM. Archived from the original on November 29, 2014. Retrieved November 15, 2014. https://web.archive.org/web/20141129063736/http://www.blm.gov/wo/st/en/prog/grazing.html ↩

  8. "National Conservation Lands". BLM. Archived from the original on November 22, 2016. Retrieved November 15, 2014. https://web.archive.org/web/20161122114910/http://www.blm.gov/wo/st/en/prog/blm_special_areas/NLCS.html ↩

  9. "Programs: National Conservation Lands: Wild and Scenic Rivers | BUREAU OF LAND MANAGEMENT". www.blm.gov. September 30, 2016. Archived from the original on February 7, 2017. Retrieved October 10, 2017. https://web.archive.org/web/20170207122507/https://www.blm.gov/programs/national-conservation-lands/wild-and-scenic-rivers ↩

  10. "Programs: National Conservation Lands: National Scenic and Historic Trails | BUREAU OF LAND MANAGEMENT". www.blm.gov. September 30, 2016. Archived from the original on January 30, 2017. Retrieved October 10, 2017. https://web.archive.org/web/20170130010204/https://www.blm.gov/programs/national-conservation-lands/national-scenic-and-historic-trails ↩

  11. See Part 3 of the BLM's Public Land Statistics, "Commercial Uses and Revenue Generated" ↩

  12. "Oil and Gas". BLM. Archived from the original on November 27, 2014. Retrieved November 15, 2014. https://web.archive.org/web/20141127214615/http://www.blm.gov/wo/st/en/prog/energy/oil_and_gas.html ↩

  13. "New Energy for America". BLM. Archived from the original on February 6, 2015. Retrieved November 15, 2014. https://web.archive.org/web/20150206051031/http://www.blm.gov/wo/st/en/prog/energy.html ↩

  14. "The BLM: The Agency and its History". GPO. Archived from the original on November 26, 2014. Retrieved November 14, 2014. https://www.gpo.gov/fdsys/pkg/GPO-DOI-BLM-PUBLAND-1996/html/GPO-DOI-BLM-PUBLAND-1996-2.htm ↩

  15. "The BLM: The Agency and its History". GPO. Archived from the original on November 26, 2014. Retrieved November 14, 2014. https://www.gpo.gov/fdsys/pkg/GPO-DOI-BLM-PUBLAND-1996/html/GPO-DOI-BLM-PUBLAND-1996-2.htm ↩

  16. "The BLM: The Agency and its History". GPO. Archived from the original on November 26, 2014. Retrieved November 14, 2014. https://www.gpo.gov/fdsys/pkg/GPO-DOI-BLM-PUBLAND-1996/html/GPO-DOI-BLM-PUBLAND-1996-2.htm ↩

  17. "Revolutionary War Pension and Bounty-Land-Warrant Application Files (p. 7)" (PDF). National Archives and Records Administration (1974). Archived (PDF) from the original on February 13, 2015. Retrieved November 14, 2014. https://www.archives.gov/research/microfilm/m804.pdf ↩

  18. "British-American Diplomacy Treaty of Paris – Hunter Miller's Notes". The Avalon Project at Yale Law School. Archived from the original on May 16, 2015. Retrieved October 19, 2014. http://avalon.law.yale.edu/18th_century/parisno.asp ↩

  19. Black, Jeremy. British foreign policy in an age of revolutions, 1783–1793 (1994) pp 11–20 ↩

  20. A History of the Rectangular Survey System by C. Albert White, 1983, Pub: Washington, D.C.: U.S. Dept. of the Interior, Bureau of Land Management: For sale by G.P.O. ↩

  21. Vernon Carstensen, "Patterns on the American Land." Journal of Federalism, Fall 1987, Vol. 18 Issue 4, pp 31–39 ↩

  22. Vernon Carstensen, "Patterns on the American Land." Journal of Federalism, Fall 1987, Vol. 18 Issue 4, pp 31–39 ↩

  23. Vernon Carstensen, "Patterns on the American Land." Journal of Federalism, Fall 1987, Vol. 18 Issue 4, pp 31–39 ↩

  24. White, C. Albert (1991). A history of the rectangular survey system. Washington, D.C.: Government Printing Office. ↩

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