Control leveling
An edition of Control leveling (1978)
By Charles T. Whalen
Publish Date
1978
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.
Language
eng
Pages
20
Description:
subjects: Nets (Geodesy), Bench-marks, Leveling