A modification of the U.S. Geological Survey one-sixth order semiquantitative spectrographic method for the analysis of geologic materials that improves limits of determination of...

by Detra, D. E.
Published: U.S. Geological Survey : Branch of Distribution, Books and Open-File Reports Section, U.S. Geological Survey [distributor], 1988

Analytical results and sample locality map of heavy-mineral-concentrate samples from the Carizzo Gorge Wilderness Study Area (CA-060-025A), San Diego County, California

by Detra, D. E.
Published: U.S. Dept. of the Interior, Geological Survey, 1985

Analytical results and sample locality map of heavy-mineral-concentrate samples from the Sawtooth Mountains Wilderness Study area (CA-060-024B), San Diego County, California

by Detra, D. E.
Published: U.S. Dept. of the Interior, Geological Survey, 1985

Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples from the Beaver Creek Wilderness Study Area (CO-050-016), El Paso, Fremon...

by Detra, D. E.
Published: U.S. Dept. of the Interior, Geological Survey, 1985

Analyses and descriptions of geochemical samples, overflow Creek Roadless Area, Rabun County, northeastern Georgia and Macon County, North Carolina

by Detra, D. E.
Published: U.S. Geological Survey, 1989

Analytical results and sample locality map of heavy-mineral-concentrate samples from the Jacumba/In-Ko-Pah Mountains wilderness study area (CDCA 368), Imperial County, California

by Detra, D. E.
Published: U.S. Dept. of the Interior, Geological Survey, 1985

Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples from the southern Wah Wah Mountains, Utah

by Detra, D. E.
Published: U.S. Dept. of the Interior, Geological Survey, 1986

Analytical results and sample locality map of heavy-mineral-concentrate samples from the Southern Inyo Mountains (CA-010-056) Wilderness study area, Inyo County, California

by Detra, D. E.
Published: U.S. Dept. of the Interior, Geological Survey, 1987

A modification of the U.S. Geological Survey one-sixth order semiquantitative spectrographic method for the analysis of geologic materials that improves limits of determination of...

by Detra, D. E.,
Published: Department of the Interior, U.S. Geological Survey, 1988

Analytical results and sample locality map of rock and stream-sediment samples from the Ferris Mountains Wilderness Study Area (Wy-030-407), Carbon County, Wyoming

by Detra, D. E.
Published: U.S. Geological Survey, 1988

Analytical results and sample locality map for stream-sediment and heavy-mineral-concentrate samples from the Desolation Canyon Wilderness study area (UT-060-068SA), Emery and Carb...

by Detra, D. E.
Published: U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1989

Analytical results and sample locality map of heavy-mineral-concentrate samples from the Bristol/Granite Mountains (CDCA-256) Wilderness Study Area, San Bernardino County, Californ...

by Detra, D. E.
Published: U.S. Dept. of the Interior, Geological Survey, 1985

Analytical results and sample locality map of heavy-mineral-concentrate samples from the Fish Creek Mountains Wilderness study area (CDCA 372), Imperial County, California

by Detra, D. E.
Published: U.S. Dept. of the Interior, Geological Survey, 1985

Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples from the Bull Gulch Wilderness Study area (CO-070-430), Eagle County, Col...

by Detra, D. E.
Published: U.S. Dept. of the Interior, Geological Survey, 1985

Geochemical and generalized geologic map showing distribution and abundance of molybdenum, copper, and lead in stream sediments in the Chandalar quadrangle, Alaska

by Marsh, Sherman P., 1935-
Published: U.S. Geological Survey, 1978

Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples in and adjacent to the Scorpion Wilderness Study Area, Garfield and Kane...

Published: U.S. Dept. of the Interior, Geological Survey, 1990

Chemical and physical characteristics of alluvium from drill core near the Rabbit Creek Gold Deposit, Getchell mining district, Humboldt County, Nevada

Published: U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1989

Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples from the Red Mountain Wilderness Study Area (UT-40-132), Washington Count...

Published: U.S. Dept. of the Interior, Geological Survey, 1988

Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples from the Cottonwood Canyon Wilderness study area, Washington County, Utah

Published: U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1988

Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples from the Cockscomb and Wahweap Wilderness Study Areas, Kane County, Utah

Published: U.S. Dept. of the Interior, Geological Survey : [Books and Open-file Reports Section, distributor], 1988