Transcontinental geophysical survey (35°-39° N) [cartographic material] : bouguer gravity map from 87° to 100° W longitude / compiled by the United States Air Force Aeronautical Chart and Information Center.

Washington, D.C. : Dept. of the Interior, U.S. Geological Survey, 1968.

1 map ; 44 x 112 cm., folded in envelope 30 x 24 cm.

Scale 1:1,000,000 ; Lambert conformal conic proj. (W 100°--W 87°/N 39°--N 35°).

"A contribution to the Upper Mantle Project."

Bouguer gravity map from 87° to 100° W longitude

English

October 10, 2012

Miscellaneous geologic investigations ; map I-534-B

Aeronautical Chart and Information Center (U.S.)