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Alva B. Adams Tunnel

Added by yongli on 06/12/2015 - 15:35, last changed on 05/07/2020 - 11:06
Beneath the glacier -carved peaks and valleys of Rocky Mountain National Park , below the alpine lakes and rushing streams, a concrete-lined tunnel belies the illusion of a pristine wilderness. In 1944, the two ends of the Alva B. Adams Tunnel were connected with a blast of dynamite, creating the...

Colorado Constitution

Added by yongli on 03/13/2020 - 16:01, last changed on 02/07/2023 - 19:40
The Colorado Constitution establishes the basic framework of the state’s government. Written and ratified in 1876, it has served as the state’s original and only constitution. As in other states, ultimate power rests with the people and is exercised by their representatives in the executive ,...

Early Irrigation in Denver

Added by yongli on 08/11/2016 - 15:16, last changed on 11/02/2022 - 15:45
Like most places in the arid American West, Denver could not possibly sustain itself without water from irrigation systems. While easy to overlook, disputes over water rights began with the onset of irrigation and persist to the present day. Today, though most of Denver’s original canals have been...

Flooding in Colorado

Added by yongli on 08/15/2016 - 16:19, last changed on 11/02/2022 - 12:43
Coloradans have maintained a complex relationship with the natural process of flooding. On one hand, inhabitants of the arid West—from early indigenous communities to current metropolitan populations—have been attracted to the many resources floodplains provide. On the other hand, periodic...

Glenwood Springs Hydroelectric Plant (Glenwood Center for the Arts)

Added by yongli on 09/11/2015 - 16:01, last changed on 05/11/2020 - 09:07
Built in 1888, the Glenwood Springs Hydroelectric Plant building is one of the earliest hydroelectric plants still standing in Colorado. The plant made Glenwood Springs one of the first cities in the United States to be lit by hydroelectric power, and the plant continued to supply some of the city’...

Horsetooth Reservoir

Added by yongli on 09/14/2020 - 16:44, last changed on 11/02/2022 - 22:39
Horsetooth Reservoir is located in the foothills just west of Fort Collins . The Bureau of Reclamation began construction of the reservoir in 1946 as part of the larger Colorado–Big Thompson Project , which provided additional irrigation water for the northern Front Range . Horsetooth Reservoir was...

Lake County War

Added by yongli on 03/13/2020 - 15:28, last changed on 03/13/2020 - 15:28
The Lake County War of 1874–75 grew out of a personal dispute over land and water rights in an area where increasing settlement was making both resources relatively scarce. The conflict ultimately turned into a test of law, justice, and state legitimacy in a frontier community. After Elijah Gibbs...

Wetlands and Riparian Areas

Added by yongli on 08/12/2016 - 16:25, last changed on 11/30/2022 - 21:39
Wetlands are ecosystems that are at least periodically saturated or inundated by water , creating unique habitats that support a wide variety of plant and animal species. Colorado wetlands include a diverse range of ecosystem types, each with distinctive plants and animals, hydrologic regimes, and...

Yampa River

Added by yongli on 02/02/2017 - 16:41, last changed on 11/02/2022 - 12:43
The Yampa River snakes 250 miles across northwestern Colorado, primarily in Routt and Moffat Counties. Its watershed encompasses approximately 8,000 square miles in Colorado and Wyoming; in Colorado, the river flows through Craig , Hayden , Milner , and Steamboat Springs , among other communities...
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