Instructions to light keepers on first-order triangulation.
Edition: [2d ed.]
Series: Special publication,; no. 65
Publisher: Govt. print. off.
Published: 1926
Place of publication: Washington
Language: eng
Number of pages: 62
Subjects: Triangulation.
Notes: At head of title: Serial no. 368. Department of commerce. U. S. Coast and Geodetic Survey. E. Lester Jones, director.
First edition, issued in 1920, has title: Geodesy. Instructions to light keepers on primary triangulation.