Browse Items (12 total) Tags: travel Browse All Browse by Tag Search Items Browse Map Sort by: Title Creator Date Added / 2 pages Samuel Hartsel and companions at the Grand Canyon, 1911 1911 Keystone Bridge shown on location at Mill Gulch looking in at bridge entrance Unknown Keystone Bridge shown on location at Mill Gulch Unknown Keystone Bridge shown after installation over North Fork South Platte River with snow 1991 Keystone Bridge shown after installation over North Fork South Platte River 1992 Keystone Bridge frame and girders shown at construction site with men in the background Simmons, W. P. 1985 Several men shown conducting site preparation for Keystone Bridge in Bailey, Colorado Simmons, W. P. 1985 Site preparation for Keystone Bridge in Bailey, Colorado Simmons, W. P. 1985 View of North Fork South Platte River before installation of Keystone Bridge Simmons, W. P. 4/12/1985 Chuck Binna stands at the Bailey entrance to Keystone Bridge 1995 Sort by: Title Creator Date Added / 2 pages Output Formats atom, dc-rdf, dcmes-xml, json, omeka-xml, rss2