Control leveling
By: Charles T. Whalen.
Contributors: National Geodetic Survey (U.S.)
Series: NOAA technical report ; NOS 73 NGS 8; NOAA technical report -- NOS 73 NGS 8.
Publisher: Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey, National Geodetic Survey; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1978
Place of publication: [Rockville, Md; Washington
Language: eng
Number of pages: 20
Subjects: Leveling.; Bench-marks.; Nets (Geodesy)
Notes: Supersedes Coast and Geodetic Survey special publication no. 226 (revised 1961)

May 1978.

Includes bibliographical references.