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Geochemical maps of the Eagle Rock and Glacier Peak Roadless Areas, Snohomish and King counties, Washington
Eagle Rock and Glacier Peak Roadless Areas, Snohomish and King counties, Washington, geochemical maps
4 maps on 1 sheet and 1 data sheet ; 45 x 28 cm., sheets 106 x 130 cm. and 71 x 92 cm., folded in envelope 30 x 24 cm.
Map A. Map showing altered or mineralized rock and stream pebble sample localities -- Map B. Map showing panned-concentrate and stream-sediment sample localities and mines and prospects -- Map C. Map showing sample localities having anomalous concentrations of copper, molybdenum, tungsten, cobalt, tin, barium, and manganese -- Map D. Map showing sample localities having anomalous concentrations of bismuth, zinc, silver, gold, arsenic, antimony, and mercury.
Department of the Interior, U.S. Geological Survey ; by S.E. Church [and others].
Relief shown by contours and spot heights.
Includes text, bibliography, and 2 index maps on sheets.
Miscellaneous field studies ; map MF-1380-D