Subject: Triangulation / Year: 1897 - Yale University Library GeoBlacklight Search Results

1. Sketch showing extension of primary triangulation : along the 39th parallel to the Capes of Delaware. June 30, 1897

1897. 2013-11-08T17:39:40Z. 2013-11-21T21:36:24Z. U.S. Coast and Geodetic Survey, issuing body. U.S. Coast and Geodetic Survey. English. Public. Middle Atlantic States and Georgia.

2. Sketch showing extension of primary triangulation to Montreal : and resurveys of the coast east of Hudson River. June 30, 1897

1897. 2013-11-08T18:14:46Z. 2013-11-21T21:36:39Z. U.S. Coast and Geodetic Survey, issuing body. U.S. Coast and Geodetic Survey. English. Public. Northeastern States and Québec (Province).

3. Triangulation in Kansas and Nebraska. June 30th, 1897

1897. 2013-11-07T19:37:59Z. 2013-11-21T21:40:32Z. U.S. Coast and Geodetic Survey, issuing body. U.S. Coast and Geodetic Survey. English. Public. Kansas, Missouri, Nebraska, and Utah.