G. N. Ryals

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Books

Adequacy of Available Hydrogeologic Data for Evaluation of Declining Ground-water Levels in the Fort Rock Basin, South-central Oregon

Adequacy of Available Hydrogeologic Data for Evaluation of Declining Ground-water Levels in the Fort Rock Basin, South-central Oregon

G. N. Ryals, William D. McFarland

Evaluation of Available Data on the Geohydrology, Soil Chemistry, and Ground-water Chemistry of Gas Works Park and Surrounding Region, Seattle, Washington

Evaluation of Available Data on the Geohydrology, Soil Chemistry, and Ground-water Chemistry of Gas Works Park and Surrounding Region, Seattle, Washington

Martha Sabol, Gary L. Turney, G. N. Ryals

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