Hypsometry; precise leveling from Reno to Las Vegas, Nev., and from Tonopah Junction, Nev., to Laws, Cal.
Hypsometry; precise leveling from Reno to Las Vegas, Nev., and from Tonopah Junction, Nev., to Laws, Cal.
U.S. Coast and Geodetic Survey
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U.S. Coast
U.S. Coast and Geodetic Survey