by Kirk Bryan
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Wind erosion near Lees Ferry, Arizona
Discovery of Sauk Valley Man of Minnesot...
The geology of Chaco Canyon, New Mexico ...
Origin of rock tanks and charcos
Correlation of the deposits of Sandia Ca...
Geologic antiquity of the Lindenmeier si...
Nuclear waste
Hazardous waste
Snow Falling on Cedars
Pesticides
Status of ground-water resources at U.S....
Hydrologic data, 1964