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

U.S. Geological Survey

doi:10.3133/70203438

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

By: U.S. Geological Survey

https://doi.org/10.3133/70203438

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Additional publication details
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