Map separates
By: National Mapping Program
Contributors: Geological Survey (U.S.). National Mapping Division
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey, Earth Science Information Center (ESIC)
Published: 1991
Place of publication: [Reston, Va.?]
Language: eng
Subjects: Topographic maps; Color separation
Notes: Shipping list no.: 91-434-P

"February 1991"--P. [2]