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Carnegie Branch Library for Local History

The Carnegie Branch Library for Local History archive collects and preserves our community's memory for future generations of researchers. Written, visual and audible materials created by and about Boulder-area residents are housed in our documents room, and are available to the public and scholars for research. Collections documenting early geographic, cultural and social regions of Boulder County contain:

Hours, Map and Directions

1125 Pine Street, Boulder, CO 80302 | google map
phone 303-441-3110 | fax 720-406-7452
Wendy Hall, Branch Manager

We are located two buildings west of Broadway on the north side of the street. On street parking is limited, see parking map.


  • Monday - Friday, 10 a.m. - 5 p.m.
  • Saturday, 10 a.m. - 3 p.m
  • Sunday, closed


See the Volunteering page for information on volunteer opportunities at Carnegie.

Mission Statement

The Carnegie Branch Library for Local History archive collects, preserves, and disseminates collections of materials on the history of Boulder County—with an emphasis on Boulder—and its people.

The archive's resources are non-circulating and must be used in the archive unless stated otherwise. There are specific rules governing Library Rules of Conduct and the Carnegie Branch Library in-house collection use.

Using the Collection

Please comply with the following rules for in-house use of our collection:

  • All patrons entering the library must keep voices and conversation low.
  • Cell phones must be taken outside the building.
  • Due to the nature of our collection, children must be supervised by an adult at all times.
  • Materials may not be borrowed or checked out.
  • Backpacks and briefcases are not allowed in the stacks. Please place them on the chair next to you or on the floor.
  • If the weather is inclement, please place wet coats on the coat track so as to not damage our materials.
  • No food or drink is allowed in the archive. Leave any food or drink in the entryway.


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Boulder Public Library
1001 Arapahoe Avenue
Boulder, Colorado 80302


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