Geodesy.
Instructions to light keepers on primary triangulation.

Description

Corporate Author

U.S. Coast and Geodetic Survey.

Language(s)

English

Published

Washington, Govt. print. off., 1920.

Subjects

Triangulation.

Note

Running title: Instructions to light keepers.
At head of title: Serial no. 130. Department of commerce. U. S. Coast and geodetic survey. E. Lester Jones, superintendent.

Physical Description

51 p. incl. illus., forms. 17 cm.

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