Sketch showing the primary and secondary triangulation of 1873

Author:: Geological and Geographical Survey of the Territories (U.S.)
Publisher:: U.S. Geological and Geographical Survey of the Territories?
Subject:: Triangulation
Spatial Coverage:: Colorado
Language:: English
Year:: 1873
Date Issued:: 2002-09-26T18:49:54Z
Date Modified:: 2020-07-15T19:23:07Z
Library Catalog Record:: https://search.library.yale.edu/catalog/6021556
Digital Collections Record:: https://collections.library.yale.edu/catalog/15818449

Sketch showing the primary and secondary triangulation of 1873 Yale Public content