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61Published 1979“...U.S. Geological Survey,...”
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62Published 1979“...U.S. Geological Survey,...”
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63Published 1979“...U.S. Geological Survey,...”
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64Published 1979“...U.S. Geological Survey,...”
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65by Moore, H. J. (Henry J.), 1928-“...U.S. Geological Survey,...”
Published 1980
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66
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67Published 1985“...U.S. Geological Survey,...”
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68Published 1985“...U.S. Geological Survey,...”
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69Published 1984“...U.S. Geological Survey,...”
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70Published 1984“...U.S. Geological Survey,...”
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71Published 1983“...U.S. Geological Survey,...”
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72Published 1984“...U.S. Geological Survey,...”
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73Published 1982“...U.S. Geological Survey,...”
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74Published 1981“...U.S. Geological Survey,...”
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75Published 1981“...U.S. Geological Survey,...”
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76Published 1981“...U.S. Geological Survey,...”
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77Published 1981“...U.S. Geological Survey,...”
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78Published 1981“...U.S. Geological Survey,...”
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79Published 1981“...U.S. Geological Survey,...”
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80Published 1981“...U.S. Geological Survey,...”
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