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Agricultural Extension Service

Added by yongli on 08/21/2015 - 13:57, last changed on 10/31/2016 - 12:43
The agricultural extension service in Colorado (1887–present) links individuals, organizations, and communities with research experts to address agrarian issues. These issues encompass rural problems associated with farming and ranching, as well as urban topics such as cooperative gardens and...

Alva B. Adams Tunnel

Added by yongli on 06/12/2015 - 15:35, last changed on 02/04/2017 - 14:49
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...

Bureau of Reclamation in Colorado

Added by yongli on 05/12/2016 - 16:53, last changed on 03/17/2017 - 10:56
The United States Reclamation Service, later renamed the Bureau of Reclamation, was created in 1902 to advance settlement of the West through construction of large dams, reservoirs, canals, and other projects. Since then, the service has played an important role in the development of Colorado’s...

Civilian Conservation Corps in Colorado

Added by yongli on 08/02/2016 - 16:40, last changed on 01/24/2017 - 20:55
The Civilian Conservation Corps (CCC) was a New Deal program aimed at reducing unemployment among young men by giving them steady work improving the nation’s landscape, public lands, and infrastructure. When it was implemented in 1933, the CCC was the largest-ever public works program. Today, the...

Colorado Fisheries

Added by yongli on 12/29/2015 - 11:47, last changed on 09/09/2016 - 08:33
Colorado, home to the headwaters of the Colorado River , the Arkansas River , the Rio Grande , and the South Platte River , offers a diverse palette of fisheries to the angler and nature enthusiast. The most iconic of these fishing opportunities are those related to trout in the mountain streams...

Colorado Foundation for Water Education

Added by yongli on 05/18/2016 - 16:20, last changed on 09/09/2016 - 08:33
In Colorado, water is a valuable and limited resource, and competition is only becoming more of a challenge. That’s why the Colorado Foundation for Water Education (CFWE), a non-advocacy nonprofit organization, works statewide to promote increased understanding of water resources so Coloradans can...

Colorado Geology

Added by yongli on 06/24/2016 - 14:26, last changed on 09/09/2016 - 08:33
The Earth beneath the rugged mountains and serene plains of Colorado records an ancient saga. Broad tropical seas teemed with life, while reptiles roamed on shore. Continents converged and collided, building massive mountains, only to be torn apart by the movements of colossal tectonic plates...

Colorado Mountain Club

Added by yongli on 06/15/2016 - 11:33, last changed on 12/01/2016 - 08:29
The Colorado Mountain Club (CMC) has been a potent force in shaping environmentalism in Colorado. Its members developed an intimate relationship with nature through the CMC’s conservation work and recreational activities. The CMC’s appreciation of wilderness, a legacy of early environmental...

Colorado River

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Added by Greg Vogl on 08/01/2014 - 09:38, last changed on 04/06/2017 - 10:37
The Colorado is the premier river of the American Southwest. Rising in the mountains of Colorado and Wyoming, this river and its tributaries provide water and hydroelectric power for nearly 35 million people in the United States and Mexico, as well as habitat for several fish species found only in...

Colorado Water Institute

Added by yongli on 04/03/2017 - 16:10, last changed on 04/03/2017 - 16:10
The Colorado Water Institute (CWI), an affiliate of Colorado State University (CSU) since 1965, exists for the express purpose of focusing the expertise of higher education on evolving water concerns and problems in the Centennial State. History Formerly known as the Colorado Water Resources...

Colorado–Big Thompson Project

Added by yongli on 08/15/2016 - 13:27, last changed on 02/04/2017 - 18:09
The Colorado–Big Thompson Project (C–BT) is the largest transmountain water diversion in the state of Colorado. Built between 1938 and 1956, the C–BT Project provides supplemental water for municipal, industrial, and irrigation purposes in northeastern Colorado. Water from the C–BT Project also...

Colorado’s New Energy Economy

Added by yongli on 02/06/2017 - 16:14, last changed on 02/20/2017 - 10:54
The term New Energy Economy refers to the transition of a state’s energy economy from one based purely on fossil fuels to one that includes a higher percentage of renewable energy sources. State-level energy policies have been the primary force moving the United States toward a greener economy, and...

Colorado’s Second Fur Trade

Added by yongli on 10/06/2016 - 16:33, last changed on 12/02/2016 - 17:03
Colorado’s “Second Fur Trade” was typified by the burgeoning popularity of mink fur coats, a luxury item that enjoyed great popularity during the 1930s, 1940s, and 1950s. As one of Colorado’s leading productive industries for several decades, mink farming is an example of the state’s transition...

Culturally Modified Trees

Added by yongli on 06/23/2016 - 13:38, last changed on 12/02/2016 - 17:01
Culturally Modified Trees (or CMTs) are trees that exhibit peels, ax cuts, delimbing, wood removal, and other cultural modifications. Numerous CMTs are found in the foothills and mountains of Colorado. Research has shown that these trees are artifacts reflecting cultural utilization of trees by...

Delph E. Carpenter

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Added by Greg Vogl on 02/17/2015 - 16:44, last changed on 02/08/2017 - 10:58
Lawyer, state senator, and interstate streams commissioner, Delph E. Carpenter (1877-1951) had lasting impact on Colorado and the western United States through his concept of river compacts. In persuading other states to negotiate the first interstate river-sharing agreement, Carpenter was...

Early Irrigation in Denver

Added by yongli on 08/11/2016 - 15:16, last changed on 01/24/2017 - 14:24
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...

Echo Park Dam Controversy

Added by yongli on 08/20/2015 - 13:18, last changed on 09/09/2016 - 10:26
The controversy over the proposed Echo Park dam in the mid-1950s was a crucial episode in the conservation history of Colorado and the West and proved to be a milestone in American environmental history. Following years of debate, the US Congress decided not to authorize the dam, signifying the...

Glaciers

Added by yongli on 05/06/2016 - 15:50, last changed on 09/09/2016 - 11:40
Snow in the high country sometimes accumulates faster than it melts, leading to the formation and continuation of glaciers. Colorado is home to seven glacial regions that reside mainly in central and northern Colorado. Each area sustains unique ecosystems and watersheds crucial to nature and humans...

Gunnison River

Added by yongli on 05/06/2016 - 15:25, last changed on 09/09/2016 - 11:40
The Gunnison River is a major tributary of the Colorado River , contributing about one-third of the Colorado’s flow at the Colorado-Utah state line. The basin drained by the Gunnison stretches from alpine meadows and forests along the Continental Divide to the arid canyon country around Grand...

Irrigation in Colorado

Added by yongli on 02/03/2017 - 11:48, last changed on 02/03/2017 - 11:48
The tension between aridity and irrigated agriculture has been a defining characteristic of Colorado for much of its modern history. On average, the state receives less than fifteen inches of annual precipitation, making it the seventh driest state in the country. To complicate matters, the...

Land and Resource Management in Colorado

Added by yongli on 01/23/2017 - 16:21, last changed on 01/23/2017 - 16:21
The ideologies of conservation and preservation have profoundly shaped Colorado’s physical landscapes and continue to shape Coloradans’ attitudes toward nature. Agencies such as Colorado Parks and Wildlife (CPW) and the United States Forest Service (USFS), multiple-use agencies, oversee the use and...

Lewis B. France

Added by yongli on 09/21/2016 - 13:55, last changed on 12/01/2016 - 08:28
Lewis B. France (1833–1907) was a nationally renowned nature writer in the late 1800s and early 1900s, best known for his works on fly-fishing. France represented an emerging trend in the American West—the melding of natural resource utilization, tourism, and boosterism to create the industry known...

Mountain Pine Beetle

Added by yongli on 10/30/2015 - 13:46, last changed on 09/10/2016 - 06:19
Forests in central Colorado look very different today than they did twenty years ago: millions of trees have been killed by mountain pine beetles ( Dendroctonus ponderosae , fig. 1). The mountain pine beetle is a native insect that is roughly the size of a grain of rice (fig. 2), but large...

San Luis Valley Ecosystem Council

Added by yongli on 02/03/2017 - 11:30, last changed on 04/15/2017 - 16:25
The San Luis Valley Ecosystem Council (SLVEC) helps to safeguard over 3.1 million acres of public lands and natural resources in the six counties comprising the San Luis Valley , noted for their unchanged landscapes, biological richness, early settlement traditions, and rural lifestyles. This...

Snow

Added by yongli on 05/06/2016 - 15:57, last changed on 09/10/2016 - 07:05
Colorado is known for its snow, which sustains the ski industry and supplies much of the water that flows into major rivers of the American West. Snow falls in the winter in all parts of Colorado, and the deepest snowpacks are in the high mountains crossing the center of . Snow Zones The extent of...

Uranium Mining

Added by yongli on 03/31/2017 - 16:12, last changed on 03/31/2017 - 16:12
Uranium mining in Colorado dates to the late nineteenth century, when uranium resources were discovered in the southwestern part of the state. The region’s Uravan Mineral Belt is rich in carnotite, the ore that produces uranium and vanadium. Both elements have various industrial and military...

US Forest Service in Colorado

Added by yongli on 03/01/2016 - 16:24, last changed on 12/01/2016 - 08:29
Colorado enjoys a proud public lands heritage and a prominent place in US Forest Service (USFS) history. The state hosts many of the first forests reserved under federal law, which today are some of the most popular destinations within the national forest system. Origins Following the removal of...

Water in Colorado

Added by yongli on 10/22/2015 - 16:35, last changed on 02/13/2017 - 10:33
Water has profoundly shaped Colorado’s past and will play a vital role in its future. The resource is essential to the state’s agriculture, cities, industries, energy supply, and environment. Furthermore, eighteen other states and parts of Mexico rely on waters from the mountains of Colorado, known...

Water Law

Added by yongli on 11/16/2015 - 14:26, last changed on 09/10/2016 - 21:06
Known collectively as “The Colorado Doctrine,” the state’s water laws arose primarily from the practice of farmers diverting water from streams through ditches onto irrigable land to grow food for homesteading families, miners, and growing towns. Territorial Law In 1861 the Colorado Territorial...

Wetlands and Riparian Areas

Added by yongli on 08/12/2016 - 16:25, last changed on 12/01/2016 - 08:29
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...

Wildfire in Colorado

Added by yongli on 05/09/2016 - 15:25, last changed on 09/10/2016 - 21:16
Coloradans have coevolved with fire. From early Native Americans to Euro-American colonizers, to modern government agents, humans have influenced the direction of fire as much as fire has influenced the course of people. The fire-adapted landscapes we see in Colorado today are the direct result of...
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