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41by Pomeroy, John S., 1929-“...U.S. Geological Survey bulletin ;...”
Published 1985
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42Published 1985“...U.S. Geological Survey bulletin ;...”
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43by Espenshade, Gilbert H., 1912-1993“...U.S. Geological Survey bulletin ;...”
Published 1986
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44Published 1986“...U.S. Geological Survey bulletin ;...”
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45Published 1986“...U.S. Geological Survey bulletin ;...”
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46Published 1986“...U.S. Geological Survey bulletin ;...”
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47Published 1985“...U.S. Geological Survey bulletin ;...”
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48by Snyder, John Parr, 1926-“...U.S. Geological Survey bulletin ;...”
Published 1985
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49Published 1985“...U.S. Geological Survey bulletin ;...”
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50by Bernstein, Lawrence R.“...U.S. Geological Survey bulletin ;...”
Published 1986
Government Document Book -
51by Nelson, Arthur E. (Arthur Edward), 1922-“...U.S. Geological Survey bulletin ;...”
Published 1985
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52by Hanks, Thomas C.“...U.S. Geological Survey bulletin ;...”
Published 1985
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53by Moore, James Gregory, 1930-“...U.S. Geological Survey bulletin ;...”
Published 1985
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54Published 1986“...U.S. Geological Survey bulletin ;...”
Government Document Book -
55by Evans, James George, 1938-“...U.S. Geological Survey bulletin ;...”
Published 1986
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56by Luepke, Gretchen“...U.S. Geological Survey bulletin ;...”
Published 1986
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57by Clarke, Samuel H.“...U.S. Geological Survey bulletin ;...”
Published 1985
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58by Pepper, James F.“...U.S. Geological Survey bulletin ;...”
Published 1986
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59by Himmelberg, Glen R.“...U.S. Geological Survey bulletin ;...”
Published 1986
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60by Helley, Edward J.“...U.S. Geological Survey bulletin ;...”
Published 1985
Government Document Book