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41Published 1976“...U.S. Dept. of the Interior, Geological Survey,...”
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42by Danenberger, Elmer P.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1976
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43“...U.S. Dept. of the Interior, Geological Survey,...”
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44Published 1976“...U.S. Dept. of the Interior, Geological Survey,...”
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45Published 1976“...[U.S. Dept. of the Interior, Geological Survey],...”
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46“...U.S. Dept. of the Interior, Geological Survey,...”
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47Published 1974“...U.S. Dept. of the Interior, Geological Survey,...”
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48by Taylor, James Carlton“...U.S. Dept. of the Interior. Geological Survey,...”
Published 1976
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49by Cobb, Edward H. (Edward Huntington), 1916-1983“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1976
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50“...U.S. Dept. of the Interior, Geological Survey ;...”
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51by Oldale, Robert N.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
Government Document Book -
52by White, Art F.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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53by Jorgensen, Donald G.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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54by Zack, Allen L.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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55by Reed, Lloyd A.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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56by Van Hylckama, T. E. A.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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57by Wilhelms, Don E.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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58by Wu, Sherman S. C.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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59Published 1980“...U.S. Dept. of the Interior, Geological Survey ;...”
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60by Schefter, John E.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
Government Document Book