TY  - RPRT
TI  - Map showing the thickness and character of Quaternary sediments in the glaciated United States east of the Rocky Mountains: Northern and central plains states (90° to 102° west longitude)
AU  - D. R. Soller
PY  - 1997
DO  - 10.3133/i1970c
UR  - https://pubs.usgs.gov/publication/i1970C
ID  - i1970C
ER  -