Generalized slope map of the Big Fork-Avon environmental study area, Flathead, Lake, Missoula, and Powell Counties, Montana /

Bibliographic Details
Main Author:	Witkind, Irving J. (Irving Jerome), 1917-2008
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Boyles, J. Michael, Patterson, Penny E.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey, 1979.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1130.
Subjects:	Slopes (Physical geography) > Montana > Flathead County > Maps. Slopes (Physical geography) > Montana > Lake County > Maps. Slopes (Physical geography) > Montana > Missoula County > Maps. Slopes (Physical geography) > Montana > Powell County > Maps.

Description
Item Description:	Relief shown by contours and spot heights. Includes text, index to topographic maps, text and diagrams. Cartographic material.
Physical Description:	1 map : color ; 144 x 68 cm., on sheet 85 x 104 cm., folded in envelope 30 x 24 cm.