by D. J. Ackerman
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Reconnaissance of ground-water resources...
Hydrogeologic reconnaissance of the San ...
Analysis of steady-state flow and advect...
Ground-water basic data for Morton Count...
Ground-water resources of Morton County,...
Hydrology of the Mississippi River Valle...
Nuclear waste
Hazardous waste
Snow Falling on Cedars
Pesticides
Status of ground-water resources at U.S....
Hydrologic data, 1964