Subject: Triangulation / Spatial Coverage: United States - Yale University Library GeoBlacklight Search Results

Start Over Subject Triangulation Spatial Coverage United States

1. Progress of the triangulation in parts of sections III, XIII, XIV, XV & XVI : from West Virginia to Colorado along the 39° latitude. June 30, 1889

1889. 2013-10-17T16:39:57Z. 2018-12-10T20:31:00Z. U.S. Coast and Geodetic Survey, issuing body. U.S. Coast and Geodetic Survey. English. cartographic image. Public. United States.

2. Status of horizontal control, United States : October 1, 1986

1986. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. United States. National Ocean Service. The Service. English. Public. United States.

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