by David W. Clark
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National Water-Quality Assessment Progra...
Pesticides in soils and ground water in ...
Plan of study for the Regional Aquifer-S...
Ground-water resources and simulated eff...
Ground-water resources of northern Utah ...
Joe's Letters
Lectures, illustrated and embellished wi...
Rock-forming minerals
Chemical and geological essays
Stable isotope geochemistry
Proceedings of the 30th International Ge...
Chemistry in Context