Subject: Copper ores / Language: English / Year: 1983 - Yale University Library GeoBlacklight Search Results

Start Over Subject Copper ores Language English Year 1983

1. Distribution and abundance of copper, determined by spectrographic analysis, in nonmagnetic fraction of heavy-mineral concentrates from stream sediments, Petersburg area southeast Alaska [cartographic material]

1983. 2002-06-01T04:00:00Z. 2023-07-19T03:01:25Z. Geological Survey (U.S.). U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. Alaska and Petersburg Region.

2. Distribution and abundance of copper, determined by spectrographic analysis, in the minus-80-mesh fraction of stream sediments, Petersburg area southeast Alaska [cartographic material]

1983. 2002-06-01T04:00:00Z. 2023-07-19T03:01:25Z. Geological Survey (U.S.). U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. Alaska and Petersburg Region.

3. Distributions of total copper in samples of nonmagnetic heavy-mineral concentrate and of total and partially extractable copper in samples of stream sediment from the Wallace 1° x 2° quadrangle, Montana and Idaho [cartographic material]

1983. 2023-07-07T16:08:44Z. 2023-07-11T21:35:37Z. U.S. Geological Survey. English. cartographic image. Public. Montana, Idaho, Idaho., and Montana.

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