Sources
Colorado top sights
Denver Colorado Weather & Climate Information | VISIT DENVER
Colorado Weather | Colorado.com
Colorado - U.S. States - HISTORY.com
Colorado Historical Timeline of Significant Events | Events in Colorado
Timeline of Colorado history - Wikipedia
Nov 21, 2017
Colorado History Timeline: Colorado Important Dates and Events
Topographic Features | Colorado Geological Survey
Tim Allen - Wikipedia
Denver Colorado Weather & Climate Information | VISIT DENVER
Colorado Weather | Colorado.com
Colorado - U.S. States - HISTORY.com
Colorado Historical Timeline of Significant Events | Events in Colorado
Timeline of Colorado history - Wikipedia
Nov 21, 2017
Colorado History Timeline: Colorado Important Dates and Events
Topographic Features | Colorado Geological Survey
Tim Allen - Wikipedia