Geological Survey & Soller, D. R. (2001). Map showing the thickness and character of Quaternary sediments in the glaciated United States east of the Rocky Mountains. The Survey ; For sale by the USGS Information Services.
Chicago Style (17th ed.) CitationGeological Survey and D. R. Soller. Map Showing the Thickness and Character of Quaternary Sediments in the Glaciated United States East of the Rocky Mountains. Reston, VA : Denver, CO: The Survey ; For sale by the USGS Information Services, 2001.
MLA (8th ed.) CitationGeological Survey and D. R. Soller. Map Showing the Thickness and Character of Quaternary Sediments in the Glaciated United States East of the Rocky Mountains. The Survey ; For sale by the USGS Information Services, 2001.
Warning: These citations may not always be 100% accurate.