The grazing fees are not determined by the BLM. They are a based on a formula which was originally set by Congress in the Public Rangelands Improvement Act of 1978 and modified via executive order[link:http:http://www.reagan.utexas.edu/archives/speeches/1986/21486b.htm//| (Order 12548 — Grazing Fees) under President Ronald Reagan in 1986].

The fee falls and rises based on the cost of livestock production, beef cattle prices and current private grazing land lease rates. Known as the per animal unit month (AUM), today it is $1.35, compared to the $1.23 per AUM that it was in 1966. This is actually a decrease when adjusted for inflation, as $1.23 in 1966 would convert to $25.40 in 2013. Grazing fees from 19814 to 2012 can be seen here (PDF).

Aside from Bill Clinton being sworn into office, nothing really changed in 1993. These rates were set in stone by way of Ronald Reagan’s executive order as of 1986. Executive Order 12548 states...

http://www.factandmyth.com/conspiracy-theory/cliven-bundys-cattle-and-the-federal-land-grab