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Geology topics

J. D. Hoffman

Publications and source records attributed to J. D. Hoffman.

58 records · Page 4Linked to original sources

USGS1981

Geochemical map showing the distribution and abundance of cobalt, chromium and nickel in stream-sediment samples in the West Chichagof-Yakobi Wilderness Study Area, Sitka quadrangle, Alaska

No abstract available.

Alaska↗

USGS1981

Analyses of outcrops and B-horizon soil samples, Iron River 1° x 2° quadrangle, Michigan-Wisconsin

No abstract available.

Michigan, Wisconsin↗

USGS1978

Geochemical map showing the distribution and abundance of copper, lead, and zinc in the minus 80 mesh stream-sediment in the Big Delta quadrangle, Alaska

No abstract available.

Alaska↗

USGS1978

Geochemical analyses of rock and soil samples, Eureka Mining District and vicinity, Eureka and White Pine Counties, Nevada

Explore the source record for details and available documents.

Open-File Report↗