Digital bedrock geologic map of the Ashland and the northern part of the Ironwood 30ʹ x 60ʹ quadrangles, Wisconsin and Michigan [electronic resource]

Author:: Cannon, William F.
Publisher:: U.S. Dept. of the Interior, U.S. Geological Survey ; For sale by USGS Information Services (Open-File Report Sales)
Subject:: Geology, Structural
Spatial Coverage:: Wisconsin, Ashland Region, Michigan, and Ironwood Region
Language:: English
Year:: 2000
Date Issued:: 2002-06-01T04:00:00Z
Date Modified:: 2011-03-29T19:53:12Z
Library Catalog Record:: https://search.library.yale.edu/catalog/4559139
Digital Collections Record:: No Digital Collections record

Digital bedrock geologic map of the Ashland and the northern part of the Ironwood 30ʹ x 60ʹ quadrangles, Wisconsin and Michigan [electronic resource] Yale Public content