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.
National Geographic Virtual Library
Read National Geographic magazines and explore topics like history, environment and travel.
National Geographic Kids
Books, magazines and videos about animals, environment, history, people & cultures, places and science & tech.