by Maxwell M. Knechtel
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Bentonite deposits of the Yellowtail dis...
Expandable clay in St. Marys Formation o...
Physical properties of nonmarine cretace...
Geology and coal and natural gas resourc...
Manganese deposits of the Lyndhurst-Vesu...
Mesozoic fossils of the Peruvian Andes
Nuclear waste
Hazardous waste
Snow Falling on Cedars
Pesticides
Status of ground-water resources at U.S....
Hydrologic data, 1964