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Topographic mapping status and progress of operations (7 1/2- and 15-minute series) United States : December 31, 1968
- Author / Creator
- Available as
- Physical
Details
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- Creator
- Geological Survey
- Format
- Maps, Atlases
- Language
- English
- Publication
-
- Washington, D.C. : USGS, 1968
- Physical Details
-
- 1 map : color ; 71 x 99 cm
- OCLC
- ocm18616856
- Cartographic Data
-
Scale [ca. 1:5,000,000](E 172⁰--W 65⁰/N 50⁰--N 25⁰).
- Insets: Guam -- Panama Canal Zone -- American Samoa -- Alaska -- Puerto Rico and Virgin Islands -- Hawaii.