Animal Unit Month (AUM)

An AUM is the amount of forage needed to feed a cow, one horse or five sheep for one month.

Nevada AUMs Authorized 1971-2010 (fiscal year Oct. 1 - Sept. 30)

Source: Public Land Statistics, U.S. Department of the Interior, Bureau of Land Management

YEAR	AUM	YEAR	AUM
2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000	1,138,171 1,138,147 1,118,238 1,216,508 1,229,916 1,045,685 1,088,191 1,054,267 1,233,520 1,304,781 1,336,942	1989 1988 1987 1986 1985 1984 1983 1982 1981 1980	1,860,899 1,616,174 1,497,297 1,831,430 1,806,239 1,872,983 1,706,319 1,607,754 1,651,936 1,489,964
1999 1998 1997 1996 1995 1994 1993 1992 1991 1990	1,586,396 1,501,222 1,436,158 1,258,467 1,505,042 1,496,071 1,546,764 1,736,023 1,693,508 1,831,118	1979 1978 1977 1976 1975 1974 1973 1972 1971	1,840,916 1,846,936 1,689,853 2,019,365 2,057,292 2,069,677 2,125,745 2,067,172 2,198,371