UCB Libraries

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In person

Librarians are available 9:00am - 4:00pm Monday - Friday.



Directly at engref@colorado.edu or use the form provided below.


Response time may vary, but is usually less than 24 hours on weekdays.



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Ask the library a question

Please use the form below to submit a question. To request that the Gemmill Library consider materials (such as books, journals, standards, or other media) for purchase, please send an email to engref@colorado.edu or use the form below and include the title, author, publication date/edition and ISSN/ISBN to help us identify the item or use our online Suggest a Purchase form.




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