Bedrock topography of northwest Iowa /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Iowa Geological Survey
Other Authors:	Hansen, R. E.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1986.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1726.
Subjects:	Geology, Structural > Maps. Geology > Iowa > Maps.

Description
Item Description:	Relief shown by contours and spot heights. Includes text and bibliography. Cartographic material.
Physical Description:	1 map on 2 sheets : color ; 83 x 144 cm., on sheets 97 x 81 cm. and 97 x 85 cm., folded in envelope 30 x 24 cm.