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Summit County

  • Summit County

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    When the Colorado Territory was formed in 1861, Summit County covered nearly the entire northwest quarter of the state. Today it occupies 619 square miles in mountainous central Colorado.
    Summit County
  • Summit County on Google Map

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    Summit County is one of the 64 counties in the U.S. state of Colorado. As of the 2010 census, the population was 27,994. The county seat is Breckenridge. Population: 28,649 (2013) Unemployment rate: 2.6% (Apr 2015) County seat: Breckenridge
    Summit County on Google Map
  • Reiling Gold Dredge (Video)

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    The Reiling Dredge began extracting gold from French Gulch, east of Breckenridge, in 1909. When it sank in 1922, its operators chose to leave the wreckage behind. Today, it is has been deemed one of Colorado's Most Endangered Historic Places.
    Reiling Gold Dredge (Video)
  • Shrine Pass

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    From late July to first two weeks of August is the best time to visit Shrine Pass by Vail Pass. Direction: From I-70, take exit 190, follow Shrine Pass Rd / CO 709.  Drive about 2.3 miles, a parking lot is on the left. Follow the trail to the top of pass. For more information about the trail, please visit Shrine Mountain Trail #2016
    Shrine Pass
  • Toddler Hiker in Summit County

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    In winter, a bike trail along Lake Dillon, by Frisco and Dillon, is accessible to snowshoers of all ages and skill levels.
    Toddler Hiker in Summit County
  • Golden Aspen Trees on Ptarmigan Peak Trail

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    Aspen trees on Ptarmigan Peak Trail. The lower section of Ptarmigan Peak trail is family friendly and has amazing fall colors. More information about this trail can be found at http://www.protrails.com/trail/summit-county-eagle-county-clear-creek-county-ptarmigan-peak
    Golden Aspen Trees on Ptarmigan Peak Trail
  • Fall Colors in Summit County

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    Fall colors normally peak between the third and fourth weeks of September. This photo was taken on the Ptarmigan Peak Trail in Summit County.
    Fall Colors in Summit County
  • Tenmile Range

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    The Tenmile Range features some of the tallest peaks in Summit County, including Quandary Peak, the thirteenth-highest mountain in the state. This photo of the range was taken along Swan Mountain Road on the southeast side of Dillon Reservoir.
    Tenmile Range
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References: 

About A-Basin,” Arapahoe Basin.

Bob Berwyn, “Global warming may be upping Snake River metals pollution,” Summit County Voice, September 12, 2012.

Bob Berwyn, “Snake river zinc increase linked to global warming,” Summit County Citizens Voice, December 20, 2010.

Bureau of Reclamation, “Colorado-Big Thompson Project.”

Colorado Preservation, Inc., “Reiling Gold Dredge,” 2015 List—Colorado’s Most Endangered Places.

Colorado Ski History, “Breckenridge Resort.”

Denver Water, “Dillon Reservoir.”

James E. Fell and Eric Twitty, “The Mining Industry in Colorado,” National Register of Historic Places Multiple Property Documentation Form, OMB No. 1024-0018 (March 1992).

Mary Ellen Gilliland, “A Lasting Legacy,” Colorado Summit Magazine, Winter 2010.

Rick Hague, “Summit County History: Two theories of how Breckenridge got its name,” Summit Daily, May 8, 2015.

History,” Copper Mountain Resort.

Keystone Resort, “The History of Keystone.”

A.H. Koschmann and M.H. Bergendahl, “Summit County Colorado Gold Production,” Western Mining History, July 16, 2009.

Sandra F. Mather, Dillon-Denver and the Dam (Dillon, CO: Summit Historical Society, 1998).

Office of the County Assessor Beverly Breakstone, “Analysis of Summit County Economic Activity for 2015 Reappraisal,” Summit County, Colorado, 2015.

Virginia McConnell Simmons, The Ute Indians of Utah, Colorado, and New Mexico (Boulder, CO: University Press of Colorado, 2000).

Snake River Watershed Plan” (Frisco, CO: Blue River Watershed Group, 2009 – present)

“Summit County,” Colorado County Histories Notebook (Denver: History Colorado, 1989 – 2000).

Mark and Karen Vendl, “Benjamin Stanley Revett and his Breckenridge Gold Dredges,” The Mining History Journal (2003).

Additional Information: 

Blue River Watershed Group

Breckenridge Historic District

Colorado Mines,” Miningartifacts.org.

Colorado Ski History

Mary Ellen Gilliland, Breckenridge: 150 Years of Golden History (Silverthorne, CO: Alpenrose Press, 2009).

Patricia N. Limerick, Joseph N. Ryan, Timothy R. Brown, and T. Allan Comp, Cleaning Up Abandoned Hardrock Mines in the West: Prospecting for a Better Future” (Boulder, CO: Center of the American West, University of Colorado at Boulder, 2005).

Sandra F. Mather, Men, Mining & Machines: Hard Rock Mining in Summit County, Colorado (Dillon, CO: Summit Historical Society, 1996).

Snake River Watershed Task Force

Clark C. Spence, “The Golden Age of Dredging: The Development of an Industry and Its Environmental Impact,” The Western Historical Quarterly 2, No. 4 (Oct. 1980).

Summit County

Summit Historical Society

The Lost Tenderfoot Mine,” The GeoZone

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