Bedrock soil and lichen geochemistry from Isle Royale National Park, Michigan

Online link http://pubs.usgs.gov/of/2003/of03-276/
Description Geochemical analyses conducted as part of a larger study of the Midcontinent Rift in the Lake Superior region.
Originators Woodruff, Laurel G.; Cannon, William F.; Dicken, Connie L.; Bennett, James P.; and Nicholson, Suzanne W.
Publication U.S. Geological Survey Open-File Report 03-276

States or counties

Map showing soil and lichen sampling localities
Map showing soil and lichen sampling localities
Additional images
Map showing sampling locations for bedrock and native copper mines
https://pubs.usgs.gov/of/2003/of03-276/ofr_03_276_figure2.jpg