Control leveling.
Series: Special publication -- no. 226; Special publication (U.S. Coast and Geodetic Survey) -- no. 226.
Publisher: U.S. Govt. Print. Off.
Published: 1941
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Leveling.
Notes: At head of title: Department of Commerce. Jesse H. Jones, secretaru. Coast and Geodetic Survey. Leo Otis Colbert, director.