Description
Item Description:Sheets separately subtitled: Environmental geology -- Physical materials -- Active processes -- Biologic assemblages -- Current land use.
"Directed by E.G. Wermund and T.C. Gustavson. Mapped by Thomas C. Gustavson [and others]. Scribing and cartography by Richard Dillon and David M. Ridner."
"Base adapted from U.S. Army Map Service transverse Mercator 1:250,000 map series."
Includes sheet index.
Cartographic material.
Physical Description:maps : color ; 53 x 39 cm. or smaller, folded in envelope 30 x 23 cm.