With Gratitude

Preserve Rollins Pass is deeply appreciative of these organizations and individuals for generously sharing scientific information, historic preservation expertise, research, knowledge, insight, photographs, time, and heartwarming stories. With gratitude for the many experts who make our work possible, we thank you:

Bibliography and Works Cited

  • Albi, Charles, and Kenton Forrest. The Moffat Tunnel: A Brief History. Golden: Colorado Railroad Historical Foundation, 2002.
  • Alford, Paul. Yankee Doodle Lake OHV Repairs Project Monitoring and the Preliminary Testing of 5BL370.1. US Forest Service: Arapaho and Roosevelt National Forests and Pawnee National Grassland, 2008.
  • Anderson, David, and Susan Panjabi. “Rollins Pass Bioblitz.” Interviews by authors. March 2021– February 2022.
  • Bollinger, Edward T. Rails That Climb. Boulder, CO: Johnson Publishing Company, 1979. Bollinger, Edward T., and Frederick Bauer. The Moffat Road. Athens: Ohio University Press, 1981.
  • Boner, Harold A. The Giant’s Ladder. Milwaukee: Kalmbach, 1962.
  • Colorado Preservation Inc. “Rollins Pass Land Exchange Opposition.” Interviews by authors. October 2020–April 2021.
  • Crossen, Forest. Western Yesterdays: David Moffat’s Hill Men. Fort Collins, CO: Robinson Press, Inc., 1976.
  • Denver Board of Water Commissioners. Denver Trans Mountain Fraser River Diversion Project. Denver: Denver Board of Water Commissioners, 1938.
  • Fullenkamp, Larry. “Rollins Pass Archaeology.” Interviews by authors. July, October, and November 2016.
  • ———, comp. Rollins Pass PIT Project 2016. US Forest Service.
  • Griswold, P.R. “Bob.” David Moffat’s Denver, Northwestern and Pacific. Denver: Rocky Mountain Railroad Club, 1995.
  • ———. The Moffat Road 2-26-28. Aurora, CO: Double R Publishing, 2010.
  • Hitchcock, F.C., and C.C. Tinkler. The Contractors’ Story of the Moffat Tunnel: Not an Engineering Treatise. Denver: Hitchcock & Tinkler, 1927.
  • LaBelle, Jason. “Rollins Pass Archaeology.” Interviews by authors. December 2012–November 2021.
  • McMechen, Edgar Carlisle. The Moffat Tunnel of Colorado: An Epic of Empire. Denver: The Wahlreen Publishing Company, 1927.
  • Nicklas, Tim. “Rollins Pass History.” Interview by authors. January 2017.
  • Norton, Holly. “Historic Preservation of Rollins Pass.” Interviews by authors. March 2021–September 2021.
  • O’Dorisio, Steve. “Old Camp and Ladora History.” Interviews by authors. May 2019–November 2021.
  • O’Leary, Rich. “Ladora and Zarlengo Family History.” Interviews by authors. June 2021–November 2021.
  • Pott, Steve. “Pipeline Infrastructure and Safety.” Interviews by authors. October 2021.
  • Sundquist, Elizabeth Josephson. Dismantling the Rails that Climbed. Denver: Egan Printing Company, 1994.
  • Toll, H. Wolcott. “ Tolland and Toll Family History.” Interviews by authors. August 2019–November 2021.
  • Wolfenbarger, Deon, and Tami Archer. “Section 106 and Historic Preservation.” Interviews by authors. April 2019–November 2021.
  • Zarlengo, Bob, and Zarlengo family. “Ladora, Old Camp, Tolland, and Zarlengo Family History.” Interviews by authors. July 2019–July 2021.
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Rollins Pass Visitors: Fire Restrictions are currently in place for Forest Service lands on the east side of the pass in Gilpin and Boulder Counties—no campfires.
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