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Wyoming (includes Kansas & Nebraska)
Within Grazing Districts (Section 3)
Year	Operators or Permits/Leases	Permitted AUMs	Authorized AUMs
1947			1,964,617
1948			1,972,813
1949	1,372		1,938,661
1950	1,380		1,918,429
1951	1,361		1,928,754
1952	1,365		2,049,412
1953	1,352		2,022,216
1954	1,340		2,008,715
1955	1,347		2,012,857
1956	1,309		1,989,598
1957	1,292		2,007,064
1958	1,287		1,938,836
1959	1,274		1,925,022
1960	1,235		1,528,421
1961	1,238		1,479,223
1962	1,217	1,826,602	1,503,908
1963	1,342	1,908,184	1,565,812
1964	1,216	1,828,738	1,522,392
1965	1,236	1,822,631	1,540,476
1966	1,298	1,668,734	1,424,283
1967	1,160	1,745,329	1,505,530
1968	1,182	1,736,126	1,490,680
1969	1,202	1,710,991	1,470,786
1970	1,194	1,717,652	1,364,709
1971	1,324	1,791,955	1,360,617
1972	1,252	1,673,504	1,328,694
1973	1,187	1,673,971	1,295,203
1974	1,200	1,611,340	1,274,893
1975	1,298	1,649,944	1,304,468
1976	1,241	1,531,514	1,257,458
1977	1,112	1,554,944	1,205,403
1978	1,021	1,565,130	1,182,954
1979	988	1,589,663	1,147,600
1980	1,002	1,394,573	1,073,370
1981	1,078	1,643,433	1,207,937
1982	1,033	1,476,104	1,166,934
1983	1,039	1,573,975	1,168,267
1984	1,009	1,581,433	1,291,666
1985	1,058	1,568,578	1,116,595
1986	1,045	1,555,722	1,080,785
1987	1,055	1,563,429	1,281,385
1988	1,055	1,537,744	1,187,972
1989	1,061	1,594,059	1,363,662
1990	1,052	1,538,873	1,272,507
1991	1,078	1,545,821	950,755
1992	1,059	1,535,263	1,060,863
1993	1,068	1,547,890	1,049,511
1994	1,063	1,543,571	1,043,154
1995	1,064	1,527,026	1,037,452
1996	1,075	1,543,996	1,046,743
1997	1,072	1,573,211	1,063,365
1998	1,073	1,532,422	1,127,103
1999	1,071	1,522,628	1,136,919
2000	1,088	1,519,354	1,139,020
Estimated
Outside Grazing Districts (Section 15)
1979	1,885		508,570
1980	1,761		464,956
1981	1,750		467,687
1982	1,775		471,738
1983	1,775		466,735
1984	1,753		464,390
1985	1,711		461,961
1986	1,699		448,651
1987	1,698		455,737
1988	1,734		443,973
1989	1,703		491,332
1990	1,682		501,277
1991	1,695		449,758
1992	1,676		458,628
1993	1,677	467,292	463,440
1994	1,681	464,273	468,354
1995	1,690	466,942	469,640
1996	1,689	465,284	470,182
1997	1,690	464,139	473,695
1998	1,692	464,976	475,991
1999	1,686	463,920	469,177
2000	1,700	466,762	471,165
Total
1979	2,873		1,656,170
1980	2,763		1,538,326
1981	2,828		1,675,624
1982	2,808		1,638,672
1983	2,814		1,635,002
1984	2,762		1,756,056
1985	2,769		1,578,556
1986	2,744		1,529,436
1987	2,753		1,737,122
1988	2,789		1,631,945
1989	2,764		1,854,994
1990	2,734		1,773,784
1991	2,773		1,400,513
1992	2,735		1,519,491
1993	2,745	2,015,182	1,512,951
1994	2,744	2,007,844	1,511,508
1995	2,754	1,993,968	1,507,092
1996	2,764	2,009,280	1,516,925
1997	2,762	2,037,350	1,537,060
1998	2,765	1,997,398	1,603,094
1999	2,757	1,986,548	1,606,096
2000	2,788	1,986,116	1,610,185