(Sweetwater County, Wyoming., October 4, 2004) A Prarie Dog near the Oregon Trail in Sweetwater County, Wyoming. Recent natural gas exploration has caused debate over the impact of the migration patterns of the Pronghorn , Elk and Mule Deer as well as
George Kochaniec, Jr., (Sweetwater County, Wyoming., October 4, 2004) A Prarie Dog near the Oregon Trail in Sweetwater County, Wyoming. Recent natural gas exploration has caused debate over the impact of the migration patterns of the Pronghorn , Elk and Mule Deer as well as (10/03/2004), [431330390] . Denver Public Library Digital Collections, accessed 22/01/2026, https://digital.denverlibrary.org/nodes/view/929385