GLGMC Open FIle Report 99-349_Page_01.jpg
Detailed Description
Cover page for the USGS Open File Report 99-349. Read the original report here: https://www.usgs.gov/publications/mapping-glacial-geology-central-great…
Sources/Usage
Public Domain.
Berg, R.C., et al., 1999, Mapping the glacial geology of the Central Great Lakes region in three dimensions—A model for state-federal cooperation: U.S. Geological Survey Open-File Report 99-349.