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1.
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Usgs Open-File Report 79-300-A
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2.
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Usgs Open-File Report 79-300-C
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3.
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Usgs Open-File Report 82-300-C
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4.
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Usgs Open-File Report 82-300-F
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5.
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Usgs Open-File Report 76-300-H
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6.
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Usgs Open-File Report 81-300-H
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7.
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January 1976
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8.
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Usgs Open-File Report 82-300-B
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9.
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Usgs Open-File Report 82-300-I
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10.
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Usgs Open-File Report 81-300-D
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11.
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Usgs Open-File Report 76-300-D
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12.
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Usgs Open-File Report 76-300-J
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13.
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Usgs Open-File Report 81-300-E
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14.
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Usgs Open-File Report 76-300-F
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15.
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Usgs Open-File Report 81-300-F
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16.
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Usgs Open-File Report 81-300-K
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17.
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January 1976
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18.
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Usgs Open-File Report 81-300-I
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19.
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Usgs Open-File Report 76-300-H
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20.
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Usgs Open-File Report 81-300-D
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