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Horses on the Pryor Mountains Wild Horse Range in Montana. The BLM distinguishes between "herd areas" (HA) where feral horse and burro herds existed at the time of the passage of the Wild and Free-Roaming Horses and Burros Act of 1971, and "Herd Management Areas" (HMA) where the land is currently managed for the benefit of horses and burros, though "as a component" of public lands, part of ...
The BLM uses limited amounts of contraceptives to control herd numbers, 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. [47] As of 2013, the BLM is also researching the possibility of spaying some mares to permanently prevent ...
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 km 2 ) of land, or one-eighth of the United States's total landmass.
In 1946, the Grazing Service and the GLO were combined to create the Bureau of Land Management. [61] In the same time period, a surplus of airplanes after WWII made aircraft widely available. The BLM would issue permits for airplane use, and mustangers used them and other motorized vehicles to capture the free roaming horses.
Figure 1. This BLM map depicts the principal meridians and baselines used for surveying states (colored) in the PLSS. The following are the principal and guide meridians and base lines of the United States, with the year established and a brief summary of what areas' land surveys are based on each.
Bureau of Land Management map of the Pryor Mountains Wild Horse Range, showing BLM, Crow Nation, Forest Service, National Park Service, private, and state lands. In 1900, there were two to five million feral horses in the United States. [9] However, their numbers were in steep decline as domestic cattle and sheep competed with them for ...
Bureau of Land Management map of the Pryor Mountains Wild Horse Range, showing BLM, Crow Nation, Forest Service, National Park Service, private, and state lands. BLM counts the herd visually about every four years by flying over the range, reporting on each animal found, and using statistical methods to correct for historic undercounting and ...
The Missouri Department of Conservation (MDC) administers hundreds of parcels of land in all counties of the state. Most areas are owned by the department; some are leased by the department; some areas are managed under contract by the department; and some areas are leased to other entities for management.