Principles of geochemical prospecting.

Geological Survey Bulletin 1000-F.

A graphic procedure in the geochemical interpretation of water analysis /

Mode of access: Internet.

Geochemical properties of coal wastes and the toxicological effects on aquatic life /

Errata sheet inserted.

The Conterminous United States Mineral Assessment Program : background information to accompany folio of geologic, geophysical, geochemical, mineral-occurrence, mineral-resource potential, mineral-production maps of the Charlotte 1⁰ x 2⁰ quadrangle, North Carolina and South Carolina /

Mode of access: Internet.

Environmental geochemical studies of selected mineral deposits in Wrangell-St. Elias National Park and Preserve, Alaska /

Mode of access: Internet.

USGS geochemical studies outline mineral potential and environmental hazards in southeastern Oregon.

Mode of access: Internet.