TY  - RPRT
TI  - Digital representation of a map showing the thickness and character of Quaternary sediments in the glaciated United States east of the Rocky Mountains
AU  - D. R. Soller
AU  - Patricia H. Packard
PY  - 1998
DO  - 10.3133/ds38
UR  - https://pubs.usgs.gov/publication/ds38
ID  - ds38
ER  -