File:1907KelloggIdaho geologicmap.png

Summary

Description
English: 1907 Kellogg Idaho geologic map, where m is monzonite and syenite, Ap is Prichard Slate, Ab is Burke Formation, Ar is Revett Quartzite, Asr is St. Regis Formation, Aw is Wallace Formation, Asp is Striped Peak Formation, Tg are Tertiary terrace gravels, Qgl is Quaternary glacial deposits, Qal is Quaternary alluvium, x is a prospect pit and y is a tunnel
Date
Source The geology and ore deposits of the Coeur d'Alene district, Idaho, USGS Professional Paper 62, https://pubs.er.usgs.gov/publication/pp62
Author U.S. Dept. of the Interior, USGS, F. L. Ransome and Frank Cathcart Calkins

Licensing

Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Category:PD USGS#1907KelloggIdaho%20geologicmap.png Category:Old geological maps of Idaho Category:Silver mines Category:Bunker Hill smelter Category:History of mining in Idaho Category:1907 maps of Idaho Category:Kellogg, Idaho Category:Prichard Formation Category:Burke Formation (geology) Category:Revett Formation Category:St. Regis Formation Category:Wallace Formation Category:Striped Peak Formation
Category:1907 maps of Idaho Category:Bunker Hill smelter Category:Burke Formation (geology) Category:History of mining in Idaho Category:Kellogg, Idaho Category:Old geological maps of Idaho Category:PD USGS Category:Prichard Formation Category:Revett Formation Category:Silver mines Category:St. Regis Formation Category:Striped Peak Formation Category:Wallace Formation