by Joe S. Downey
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Machine-readable data files from the Mad...
Geohydrology of bedrock aquifers in the ...
Geohydrology of the Madison and associat...
Ground-water basic data for Griggs and S...
Ground-water basic data: Nelson and Wals...
Ground-water resources: Nelson and Walsh...
Nuclear waste
Hazardous waste
Snow Falling on Cedars
Pesticides
Status of ground-water resources at U.S....
Hydrologic data, 1964