TY  - RPRT
TI  - Text and References To Accompany "Map Showing the Thickness and Character of Quaternary Sediments in the Glaciated United States East of the Rocky Mountains"
AU  - David R. Soller
PY  - 1992
DO  - 10.3133/b1921
UR  - https://pubs.usgs.gov/publication/b1921
ID  - b1921
ER  -