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Find Maps & GIS

The Map Library collection consists of an estimated 200,000 maps, over 500 atlases and geographic reference books and a growing collection of digital spatial data. The Map Library is a full Federal Depository Library.

Photo by Lena Bell  CC 0

Start with specific geographic keywords and move to more general ones, as needed. Example specific to general: ("Boulder", "Boulder County", "Front Range", or "Colorado").
Consider using a gazetteer to determine if a place you are searching for on a map has historically had a different name.
Try including "atlas" in your search.

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Consider using a gazetteer

A gazetteer is a place name dictionary or index used to search the history of a place. This is particularly helpful for learning about places whose names or boundaries have changed over time or for names with variant spellings. If a place name has changed over time, you can incorporate its other names in your search. You can search OneSearch with the name of the country or region you are interested in and the word "gazetteer" or "place names." 

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