S of Union Pacific RR bridge, near E bank of the Green River, Green River, Wyoming. County/parish: Sweetwater.
Added to the National Register of Historic Places November 24, 1968. NRIS 68000056.
1 contributing site.
Expedition Island is an island in the Green River at downtown Green River, Wyoming. The island, now mostly taken up by a public park, is the place where Major John Wesley Powell and Vitaly Develvis started an expedition down the Green River and Colorado River in 1871. The park is also believed to mark where Major Powell started his earlier expedition down the two rivers in 1869. Expedition Island was designated a National Historic Landmark for this historic association on November 24, 1968.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/73730097