Bedrock topography of central 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 : Denver, CO : 1985.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1609.
Subjects:	Geology, Structural > Maps. Geology > Iowa > Maps.

Description
Item Description:	Relief shown by spot heights. Text on East Half sheet. Cartographic material.
Physical Description:	1 map on 2 sheets : color ; 101 x 126 cm., on sheets 110 x 68 cm. and 112 x 72 cm., folded in envelope 31 x 24 cm.
Bibliography:	Includes selected references.