Share to Submitted by yongli on Fri, 12/04/2015 - 14:09Map of 1806-07 Lt. Zebulon Pike's Southwestern Expedition wayside marker Image by: Viva-VerdiDate: 2014Source: File:Map of 1806-07 Pike Expedition in Colorado.jpg - Wikimedia CommonsCopyright Notes: Courtesy of Wikimedia Commons
