Topographic mapping status and progress of operations: (7 1/2- and 15-minute series)

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Publication type Report
Publication Subtype USGS Unnumbered Series
Title Topographic mapping status and progress of operations: (7 1/2- and 15-minute series)
DOI 10.3133/70203438
Year Published 1977
Language English
Publisher U.S. Geological Survey
Description 1 Plate: 48.70 x 32.60 inches
Country United States