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121
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123
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124
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125Published 1982“...U.S. Geological Survey,...”
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126
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127
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128Published 1981“...U.S. Geological Survey,...”
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129
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130Published 1981“...U.S. Geological Survey,...”
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132
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133Published 1982“...U.S. Geological Survey,...”
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137Published 1981“...U.S. Geological Survey,...”
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138Published 1981“...U.S. Geological Survey,...”
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139by Hail, William J. (William James), Jr., 1922-“...U.S. Geological Survey,...”
Published 1981
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140