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41Published 1970“...United States Department of the Interior, Geological Survey,...”
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42by Parker, Glenn L. (Glenn Lane), 1884-“...United States Department of the Interior, Geological Survey,...”
Published 1941
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43Published 1943“...United States Department of the Interior, Geological Survey,...”
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44Published 1944“...United States Department of the Interior, Geological Survey,...”
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45by Parker, Glenn L. (Glenn Lane), 1884-“...United States Department of the Interior, Geological Survey,...”
Published 1944
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46Published 1946“...United States Department of the Interior, Geological Survey,...”
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47Published 1947“...United States Department of the Interior, Geological Survey,...”
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48Published 1950“...United States Department of the Interior, Geological Survey,...”
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49Published 1950“...United States Department of the Interior, Geological Survey,...”
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50Published 1951“...United States Department of the Interior, Geological Survey,...”
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51Published 1952“...United States Department of the Interior, Geological Survey,...”
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52Published 1953“...United States Department of the Interior, Geological Survey,...”
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53by Wells, J. V. B.“...United States Department of the Interior, Geological Survey,...”
Published 1957
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54by Love, S. K. (Samuel Kenneth), 1903-1995“...United States Department of the Interior, Geological Survey,...”
Published 1959
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55by Wells, J. V. B.“...United States Department of the Interior, Geological Survey,...”
Published 1958
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56by Love, S. K. (Samuel Kenneth), 1903-1995“...United States Department of the Interior, Geological Survey,...”
Published 1965
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57by Love, S. K. (Samuel Kenneth), 1903-1995“...United States Department of the Interior, Geological Survey,...”
Published 1968
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58by Love, S. K. (Samuel Kenneth), 1903-1995“...United States Department of the Interior, Geological Survey,...”
Published 1968
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59by Love, S. K. (Samuel Kenneth), 1903-1995“...United States Department of the Interior, Geological Survey,...”
Published 1964
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60by Wells, J. V. B.“...United States Department of the Interior, Geological Survey,...”
Published 1957
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