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141
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142Published 1983“...Geological Survey circular ;...”
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143by Mabey, Don R., 1927-2015“...Geological Survey circular ;...”
Published 1983
Government Document Book -
144
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145Published 1983“...Geological Survey circular ;...”
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146
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147
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148Published 1983“...Geological Survey circular ;...”
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149
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150
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151by Duffield, Wendell A.“...Geological Survey circular ;...”
Published 1982
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152
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153
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154Published 1982“...Geological Survey circular ;...”
Government Document Book -
155Published 1983“...Geological Survey circular ;...”
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156
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157Published 1983“...Geological Survey circular ;...”
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158
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159Published 1983“...Geological Survey circular ;...”
Government Document Conference Proceeding Book -
160Published 1983“...Geological Survey circular ;...”
Government Document Book