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61by Lins, Harry F.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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62Published 1980“...U.S. Dept. of the Interior, Geological Survey ;...”
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63by Mudge, Melville R., 1921-2009“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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64by Cobban, William A., 1916-2015“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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65by Whitmore, Frank C.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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66by Lindsey, David A.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1982
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67by Still, Patsy J.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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68by Still, Patsy J.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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69by Carr, Jerry E.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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70by Williams, Owen O.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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71by Foose, Donald W.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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72by Hirsch, Robert M.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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73Published 1981“...U.S. Dept. of the Interior, Geological Survey,...”
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74by Ponce, David A.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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75by Weir, Gordon W. (Gordon Whitney), 1922-2011“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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76by Mitchell, C. M.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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77by O'Donnell, Sharon Rose“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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78by Bateman, Paul C., 1910-2007“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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79
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80
Government Document Serial