Map showing sand and gravel deposits in the Bigfork-Avon area, Flathead, Lake, Lewis and Clark, Missoula, and Powell counties, Montana.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Witkind, Irving J. (Irving Jerome), 1917-2008
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1995.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; I-2446.
Subjects:	Sand > Montana > Avon Region > Maps. Gravel > Montana > Avon Region > Maps. Sand > Montana > Bigfork Region > Maps. Gravel > Montana > Bigfork Region > Maps.

Description
Item Description:	Relief shown by contours and spot heights. Map sheet includes location map, text, and table of samples. Data sheet includes 8 figures and bar graphs of deposits. Cartographic material.
Physical Description:	1 map : color ; on sheet 147 x 104 cm., and 1 data sheet (86 x 137 cm.), folded in envelope 30 x 24 cm.