Latitude observations with photographic zenith tube at Gaithersburg, Md.
By: by Frank E. Ross, in cooperation with the International Geodetic Association.
Contributors: U.S. Coast and Geodetic Survey.; International Geodetic Association.
Series: Special publication -- no. 27; Serial -- no. 7; Special publication (U.S. Coast and Geodetic Survey) -- no. 27.; Serial (U.S. Coast and Geodetic Survey) -- no. 7.
Publisher: Govt. print. off.
Published: 1915
Place of publication: Washington
Language: eng
Number of pages: 127
Subjects: Latitude variation.; Geodesy -- United States.
Notes: At head of title: Geodesy.

Plates lettererd A to Q.