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121by Ryan, Michael P., 1943-“...U.S. Geological Survey bulletin ;...”
Published 1987
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122by Andrews, George William, 1929-“...U.S. Geological Survey bulletin ;...”
Published 1987
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123by Loney, Robert Ahlberg, 1922-“...U.S. Geological Survey bulletin ;...”
Published 1987
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124Published 1987“...U.S. Geological Survey bulletin ;...”
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125Published 1986“...U.S. Geological Survey bulletin ;...”
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126by Outerbridge, William F.“...U.S. Geological Survey bulletin ;...”
Published 1987
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127Published 1985“...U.S. Geological Survey bulletin ;...”
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128Published 1987“...U.S. Geological Survey bulletin ;...”
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129by Bateman, Paul C., 1910-2007“...U.S. Geological Survey bulletin ;...”
Published 1988
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130by Edwards, Melvin D.“...U.S. Geological Survey bulletin ;...”
Published 1987
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131by Leo, Gerhard W.“...U.S. Geological Survey bulletin ;...”
Published 1986
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132Published 1987“...U.S. Geological Survey bulletin ;...”
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133by Schenk, Christopher J.“...U.S. Geological Survey bulletin ;...”
Published 1987
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134by Bender, Bernice“...U.S. Geological Survey bulletin ;...”
Published 1987
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135by Larsen, Curtis E.“...U.S. Geological Survey bulletin ;...”
Published 1987
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136by Miller, Betty M.“...U.S. Geological Survey bulletin ;...”
Published 1987
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137by Bryant, Bruce, 1930-“...U.S. Geological Survey bulletin ;...”
Published 1988
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138Published 1988“...U.S. Geological Survey bulletin ;...”
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139Published 1988“...U.S. Geological Survey bulletin ;...”
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140Published 1988“...U.S. Geological Survey bulletin ;...”
Government Document Book