Major Mining Districts 1851 - 1995 U.S. Department of the Interior U.S. Geological Survey Historic...
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Transcript of Major Mining Districts 1851 - 1995 U.S. Department of the Interior U.S. Geological Survey Historic...
Major Mining Districts 1851 - 1995
U.S. Department of the InteriorU.S. Geological Survey
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1851 - 1860
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
U.S. Department of the InteriorU.S. Geological Survey
Major Mining Districts 1861 - 1870
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1871 - 1880
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1881 - 1890
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1891 - 1900
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1901 - 1910
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1911 - 1920
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1921 - 1930
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1931 - 1940
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1941 - 1950
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1951 - 1960
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1961 - 1970
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1871 - 1980
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1981 - 1990
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts
Major Mining Districts 1991 - 1995
Historic Trails
Major Railroads
Major Highways
Areal extent of district boundaries
Mining Districts