Title
Aeromagnetic maps and terrace magnetization map centered on the Idaho batholith and Challis volcanic field, northwestern United States / U.S. Department of the Interior, U.S. Geological Survey ; by A.E. McCafferty.
Published
Reston, VA : The Survey ; Denver, CO : For sale by Map Distribution, 1992.
Physical Description
3 maps on 2 sheets : col. ; each 56 x 66 cm., sheets 99 x 145 cm. and 74 x 76 cm., folded in envelope 30 x 24 cm.
Cartographic Detail
Scale 1:1,000,000 ; (W 118⁰--W 110⁰/N 47⁰--N 42⁰).
Notes
Relief shown by shading.
Includes chart, bibliography, index and location maps, text, and diagram.
Added to Catalog
June 01, 2002
Series
Geophysical investigations map ; map GP-994
Partial contents
Map A. Merged aeromagnetic anomally map
Map B. Terrace-magnetization map
Map C. Color-shaded relief aeromagnetic map.