Animal Units per Month
These AUMs and the defined territory became the “allotments” attached to the water rights of the ranchers. Both the right to the water and to the forage, and access (rights of way) to the forage, were already owned by the ranchers. The allotments were simply the adjudicated division of pre-existing rights of the ranchers. The ranchers were required to pay a fee to the government, for the cost of this adjudication.
This simple process of adjudicating the existing rights of ranchers evolved to enlarge the fee to cover not only the adjudication costs, but to also provide a portion to local government, and to create a “range improvement fund,” which could be used by the ranchers to help defray the cost of capital improvements to the range.
Environmentalists, and in recent years, the federal government have ignored these historical facts, and have held that the land and water in the West belong to the federal government, and may be used by the ranchers only with the permission of the government, expressed through the allotment of AUMs for which the ranchers pay.
This new interpretation of the ownership of “public” land ...