Skip to main content

Historical Maps: Digital

Using CU-Boulder Digital Map Collections

The Earth Sciences & Map Library has three digital map collections. More information on each collection can be found on the pages linked below. 

Click on "Category Pages" to see smaller subsets of these digital collections. Images may be saved or downloaded from the digital collection site.

For assistance accessing these collections or to view these maps in print at the Earth Sciences & Map Library, please email or call 303-492-7578 to schedule an appointment.

Other Online Collections

Databases with Historical Maps

The following databases are accessible to CU-Boulder affiliates with an IdentiKey. People not affiliated with CU-Boulder may access these databases by using computers in the Libraries:

Ask An Earth Sciences & Map Librarian

Ask Us


Portion of the 1890 East Denver USGS topographic map

A portion of the 1890 East Denver USGS topographic map