Quaternary geologic map of the Des Moines 4 x 6 quadrangle, United States /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Iowa Geological Survey
Other Authors:	Hallberg, George R., Richmond, Gerald Martin, 1914-, Fullerton, David S., Christiansen, Ann Coe
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : U.S. Geological Survey ; 1991.
Series:	Quaternary geologic atlas of the United States. Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1420(NK-15)
Subjects:	Geology, Stratigraphic > Quaternary > Maps. Geology > Iowa > Maps. Geology > Middle West > Maps.

Description
Item Description:	Relief shown by contours. "Compiled in 1982-83 and 1988." Includes text, index map, 3 ancillary maps: loess distribution and thickness, relationships of Late Wisconsin advances and still stands, and responsibility for state compilations, and sources of information. Cartographic material.
Physical Description:	1 map : color ; 44 x 51 cm., on sheet 93 x 137 cm., folded in envelope 30 x 24 cm.