TY  - RPRT
TI  - Map showing the thickness and character of Quaternary sediments in the glaciated United States east of the Rocky Mountains: Northern Great Lake states and central Mississippi Valley states, the Great Lakes, and southern Ontario (80°31ʹ to 93° west longitude)
AU  - D. R. Soller
PY  - 1998
DO  - 10.3133/i1970b
UR  - https://pubs.usgs.gov/publication/i1970B
ID  - i1970B
ER  -