Matèries dins de la cerca
Matèries dins de la cerca
Water quality
18
Geology
15
Environmental aspects
13
Mines and mineral resources
13
Pollution
11
Water
10
Eau
7
més ...
1
per Singewald, Q. D. (Quentin Dreyer), 1902-1987, Butler, B. S. (Bert Sylvenus), 1877-1960
Washington : Govt. Print. Off., 1941
Washington : Govt. Print. Off., 1941
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2
per Wahlstrom, Ernest E. (Ernest Eugene), 1909-2000
[Reston, Va.?] :: [Washington, D.C., the Supt. of Docs., U.S. G.P.O.], For sale by U.S. Dept. of the Interior, Geological Survey ; 1981
[Reston, Va.?] :: [Washington, D.C., the Supt. of Docs., U.S. G.P.O.], For sale by U.S. Dept. of the Interior, Geological Survey ; 1981
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3
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011
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4
per Wahlstrom, Ernest E. (Ernest Eugene), 1909-2000
[Reston, Va.?] : [Washington, D.C., the Supt. of Docs., U.S. G.P.O.], U.S. Dept. of the Interior, Geological Survey ; 1981
[Reston, Va.?] : [Washington, D.C., the Supt. of Docs., U.S. G.P.O.], U.S. Dept. of the Interior, Geological Survey ; 1981
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5
per Carrara, Paul E.
[Reston, Va.?] : The Survey, 1997
[Reston, Va.?] : The Survey, 1997
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Mapa
6
7
8
per Winchester, Dean E. (Dean Eddy), 1883-1936
Washington : G.P.O., 1916
Washington : G.P.O., 1916
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9
per Moore, Jennifer L.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011
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10
per Erdmann, C. E. (Charles Edgar), 1897-1971
Washington : Govt. Print. Off., 1934
Washington : Govt. Print. Off., 1934
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11
12
per Wentz, Dennis A.
Lakewood, Colo. : U.S. Dept. of the Interior, Geological Survey, 1980
Lakewood, Colo. : U.S. Dept. of the Interior, Geological Survey, 1980
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13
per Elliott, John G. (John Grant), 1951-
Reston, Va. : U.S. Geological Survey, 2004
Reston, Va. : U.S. Geological Survey, 2004
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14
per Irving, J. D. (John Duer), 1874-1918
Washington : Govt. Print. Off., 1911
Washington : Govt. Print. Off., 1911
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15
per Kellogg, Karl S.
[Reston, Va.?] : The Survey, 1997
[Reston, Va.?] : The Survey, 1997
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Mapa
16
per Dash, Russell G.
Denver, Colo : Denver, CO : U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], 1996
Denver, Colo : Denver, CO : U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], 1996
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17
per Beekly, A. L.
Washington : Govt. Print. Off., 1915
Washington : Govt. Print. Off., 1915
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18
19
Lakewood, Colo. : Denver, Colo. : Alexandria, Va. : Dept. of the Interior, U.S. Geological Survey ; Open-File Services Section, Western Distribution Branch ; Text Products Section, Eastern Distribution Branch, 1985
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20
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007
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