[Signal Office stations, geographic locations, and barometric elevations above mean sea level].

Bibliographic Details

Corporate Author:	United States. Army. Signal Corps
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [publisher not identified], 1874.
Subjects:	Cartography. Measuring instruments. Meteorology. Electronic books.
Online Access:	Connect to the full text of this electronic document