TY - GEN A2 - Soller, D. R. (David R.) AU - Geological Survey (U.S.) CN - I 19.91:I-1970-B CY - Denver, CO CY - Reston, VA LA - English PB - [Information Services [distributor]., The Survey] PP - Denver, CO PP - Reston, VA PY - 1998 SN - 0607903996 SN - 9780607903997 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 (80⁰31ʹ to 93⁰ west longitude) ER -