First-order leveling
By: U.S. Dept. of Commerce, Coast and Geodetic Survey
Contributors: U.S. Coast and Geodetic Survey
Edition: Rev. 1935
Series: Serial -- 502; Serial (U.S. Coast and Geodetic Survey) -- 502
Publisher: G.P.O.
Published: 1935
Place of publication: [Washington
Language: eng
Subjects: Bench-marks -- United States; Leveling -- United States
Notes: Title from caption