National Register of Historic Places

Expedition Island

Expedition Island is a historic place in Green River, Sweetwater County, Wyoming, listed on the United States National Register of Historic Places on November 24, 1968, and designated a National Historic Landmark. Its National Register reference number is 68000056.

Green River, Sweetwater County, WyomingListed November 24, 1968NRIS #68000056★ National Historic Landmark
Photograph of Expedition Island
Photo: Expedition Island via Wikimedia Commons — see the file page for author and license. Image source
Noir atlas

Location 01

Expedition Island

Drag to explore · scroll to zoom · select a marker

About this place

What is Expedition Island?

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.

Source: Wikipedia, text available under CC BY-SA 4.0.

The record

Listing details

Name
Expedition Island
City
Green River
County
Sweetwater County
State
Wyoming
Listed on the National Register
November 24, 1968
NRIS reference number
68000056
Resource type
site
National Historic Landmark
Yes
Coordinates
41.52535, -109.47349
When was Expedition Island listed on the National Register?

Expedition Island was added to the National Register of Historic Places on November 24, 1968.

Where is Expedition Island located?

Expedition Island is located in Green River, Sweetwater County, Wyoming at approximately 41.52535, -109.47349. See the map above.

Is Expedition Island a National Historic Landmark?

Yes. Expedition Island is designated a National Historic Landmark, the highest federal recognition for a historic place.