Research Sources

Category: Maps and History

Sanborn Maps

Large-scale plans of Colorado cities & towns drawn at a scale of 50 feet to an inch. Track the development of Telluride between the years 1886-1922.

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National Geographic Virtual Library

Read National Geographic magazines and explore topics like history, environment and travel.

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National Geographic Kids

Books, magazines and videos about animals, environment, history, people & cultures, places and science & tech.

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