Maps showing mineral resource assessment for placer gold and silver, Dillon 1⁰ x 2⁰ quadrangle, Idaho and Montana /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Pearson, Robert Carl, 1926-
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1991.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; I-1803-F.
Subjects:	Placer deposits > Idaho > Maps. Placer deposits > Montana > Dillon Region > Maps. Gold ores > Idaho > Maps. Gold ores > Montana > Dillon Region > Maps. Silver ores > Idaho > Maps. Silver ores > Montana > Dillon Region > Maps. Gisements alluvionnaires > États-Unis > Idaho > Cartes. Gisements alluvionnaires > États-Unis > Montana > Cartes. Or > Minerais > États-Unis > Idaho > Cartes. Or > Minerais > États-Unis > Montana > Cartes. Argent > Minerais > États-Unis > Idaho > Cartes. Argent > Minerais > États-Unis > Montana > Cartes. États-Unis > Métallogénie > Cartes. États-Unis > Géologie économique > Cartes.

Description
Item Description:	Relief shown by contours and spot heights. Includes text, bibliography, table, and 2 index maps. Cartographic material.
Physical Description:	2 maps on 1 sheet : color ; 44 x 63 cm., sheet 105 x 132 cm., folded in envelope 30 x 24 cm.
Bibliography:	Includes text, bibliography, table, and 2 index maps.