Geologic map of the Lyons quadrangle, Boulder County, Colorado /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Braddock, William A., 1929-2003
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1988.
Series:	Geologic quadrangle map ; GQ-1629.
Subjects:	Geology > Colorado > Boulder County > Maps.

Description
Item Description:	Relief shown by contours and spot heights. Includes 2 col. cross sections, bibliography, index maps and quadrangle location map. Cartographic material.
Physical Description:	1 map : color ; 58 x 44 cm., on sheet 74 x 92 cm., folded in envelope 25 x 32 cm.