Soller, D. R., Packard, P. H., & Geological Survey (U.S.). (1998). Digital representation of a map showing the thickness and character of Quaternary sediments in the glaciated United States east of the Rocky Mountains. U.S. Geological Survey.
Chicago Style (17th ed.) CitationSoller, D. R., Patricia H. Packard, and Geological Survey (U.S.). Digital Representation of a Map Showing the Thickness and Character of Quaternary Sediments in the Glaciated United States East of the Rocky Mountains. [Reston, VA]: U.S. Geological Survey, 1998.
MLA (8th ed.) CitationSoller, D. R., et al. Digital Representation of a Map Showing the Thickness and Character of Quaternary Sediments in the Glaciated United States East of the Rocky Mountains. U.S. Geological Survey, 1998.
Warning: These citations may not always be 100% accurate.