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Montana (includes Dakotas)
Within Grazing Districts (Section 3)
Year	Operators or Permits/Leases	Permitted AUMs	Authorized AUMs
1947			1,271,744
1948			1,189,277
1949	3,258		938,377
1950	2,898		965,372
1951	2,859		934,868
1952	2,807		973,654
1953	2,646		969,580
1954	2,637		985,300
1955	2,606		945,219
1956	2,608		934,395
1957	2,584		928,203
1958	2,553		909,852
1959	2,402		896,833
1960	3,039		1,276,217
1961	2,868		1,251,437
1962	2,882	1,272,967	1,260,272
1963	2,968	1,288,598	1,282,149
1964	2,921	1,282,059	1,268,284
1965	2,919	1,274,936	1,264,074
1966	2,912	1,296,729	1,285,062
1967	2,838	1,281,331	1,266,942
1968	2,807	1,270,584	1,258,217
1969	2,750	1,270,000	1,250,837
1970	2,704	1,247,242	1,229,851
1971	2,683	1,253,460	1,237,306
1972	2,616	1,274,063	1,256,277
1973	2,627	1,249,429	1,239,124
1974	2,688	1,257,670	1,247,568
1975	2,725	1,106,870	1,093,774
1976	2,713	1,090,130	1,078,357
1977	2,735	982,999	970,473
1978	2,737	948,883	927,999
1979	2,706	960,305	938,122
1980	2,770	993,404	957,115
1981	2,773	945,672	868,750
1982	2,773	1,008,246	969,010
1983	2,774	992,900	959,130
1984	2,712	987,889	957,234
1985	2,741	1,161,393	973,600
1986	2,732	1,165,369	957,692
1987	2,746	1,158,722	995,360
1988	2,768	1,152,075	912,905
1989	2,727	1,157,867	1,257,616
1990	2,717	1,152,831	1,028,932
1991	2,722	1,152,741	1,051,847
1992	2,715	1,153,672	1,091,352
1993	2,711	1,158,299	1,064,295
1994	2,705	1,156,896	1,099,771
1995	2,714	1,156,501	1,066,735
1996	2,712	1,152,060	1,126,541
1997	2,739	1,151,614	1,002,824
1998	2,769	1,159,470	1,011,008
1999	2,674	1,147,622	1,068,645
2000	2,750	1,146,106	990,966
Estimated
Outside Grazing Districts (Section 15)
1979	1,773		260,421
1980	1,798		259,548
1981	1,790		240,968
1982	1,813		238,427
1983	1,813		243,803
1984	1,797		247,226
1985	1,714		247,815
1986	1,696		230,016
1987	1,696		232,330
1988	1,701		217,902
1989	1,688		223,486
1990	1,663		214,772
1991	1,670		223,879
1992	1,659		221,146
1993	1,666	249,049	226,678
1994	1,663	245,756	226,608
1995	1,659	244,589	226,251
1996	1,652	243,258	233,895
1997	1,656	243,126	226,021
1998	1,657	241,623	247,196
1999	1,617	240,101	223,868
2000	1,613	238,048	217,049
Total
1979	4,479		1,198,543
1980	4,568		1,216,663
1981	4,563		1,109,718
1982	4,586		1,207,437
1983	4,587		1,202,933
1984	4,509		1,204,460
1985	4,455		1,221,415
1986	4,428		1,187,708
1987	4,442		1,227,690
1988	4,469		1,130,807
1989	4,415		1,481,102
1990	4,380		1,243,704
1991	4,392		1,275,726
1992	4,374		1,312,498
1993	4,377	1,407,348	1,290,973
1994	4,368	1,402,652	1,326,379
1995	4,373	1,401,090	1,292,986
1996	4,364	1,395,318	1,360,436
1997	4,395	1,394,740	1,228,845
1998	4,426	1,401,093	1,258,204
1999	4,291	1,387,723	1,292,513
2000	4,363	1,384,154	1,208,015