Maps showing gravity and aeromagnetic anomalies in the Dillon 1 x 2 quadrangle, Idaho and Montana /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Conterminous United States Mineral Assessment Program
Other Authors:	Hanna, William F., 1938-
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1993.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-1803-I.
Subjects:	Gravity anomalies > Idaho > Salmon Region > Maps. Gravity anomalies > Montana > Dillon Region > Maps. Geomagnetism > Idaho > Salmon Region > Maps. Geomagnetism > Montana > Dillon Region > Maps.

Description
Item Description:	Relief shown by contours and spot heights. "These studies were made largely under the Conterminous United States Mineral Assessment Program (CUSMAP) ... "--Pamphlet. Includes text (pamphlet), 3 index maps and 7 ancillary maps. Cartographic material.
Physical Description:	3 maps on 2 sheets : color ; 45 x 63 cm., sheets 109 x 87 cm. and 148 x 84 cm., folded in envelope 30 x 24 cm. + 1 pamphlet (27 pages ; 28 cm.)
Bibliography:	Pamphlet includes bibliographical references (pages 21-27).