Interpretive aeromagnetic map using the horizontal gradient: Lake City caldera area, San Juan Mountains, Colorado /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Grauch, V. J. S.
Format: Government Document Map
Language:English
Published: Reston, Va. : The Survey ; 1987.
Series:Geophysical investigations (Geological Survey (U.S.)) ; map GP-974.
Subjects:
Description
Item Description:Relief shown by contours and spot heights.
Includes text, bibliography, and index map.
Cartographic material.
Physical Description:1 map : color ; 58 x 62 cm., on sheet 69 x 129 cm., folded in envelope 30 x 24 cm.