Colorado County Evolution by Dan Stanwick for the CoGen Web Project.
This site tracks colorado county boundry changes from 1860 to the present
Larimer County Genealogical Society Maps online
- Current Colorado counties
- Larimer County Township map (based on an 1899 map)
Fort Collins Local History Archive
Index to their Map Collection. The Archive also has a number of thier maps digitized and online. Their collection includes copies of the Sanborn Fire Insurance Maps depicting the Old Town and early residential areas of Fort Collins during the years of 1886, 1891, 1901, 1906, 1909, 1925, and 1940.
Larimer County Maps (A Department of the Larimer County Govenment)
Online GIS maps at http://www.co.larimer.co.us/maps/
These maps include current topographic, aerial, voter precincts, township, recreation facilities and much more.
Poudre River Public Library District
Sanborn Fire Insurance Maps depicting the Old Town and early residential areas of Fort Collins during the years of 1886, 1891, 1901, 1906, 1909, 1925, and 1940 digitized and online. A library card is needed to see the maps.
Website: http://www.poudrelibraries.org/