Видео с ютуба John Wesley Powell Expedition

John Wesley Powell: From the Depths of the Grand Canyon | Nat Geo Live

Geology of the Grand Canyon: The John Wesley Powell Expedition 1869 Centennial Documentary

The Powell Expedition

Джон Уэсли Пауэлл: Однорукий человек, покоривший Большой каньон.

John Wesley Powell: Wild West Explorer

John Wesley Powell in Green River

John Wesley Powell's Enigma

1-armed John Wesley Powell rafts down the Grand Canyon

John Wesley Powell's 1869 River Mapping: What Did They Know and When Did They Know It? - MGCC

Первый геолог Америки: как Джон Уэсли Пауэлл расшифровал Большой каньон

See artifacts discovered by John Wesley Powell at the Natural History Museum of Utah

The Legacy of John Wesley Powell, Water Master of the West with David Kennedy

Джон Уэсли Пауэлл в Гранд-Каньоне

The Man Who Mapped the Canyon: John Wesley Powell's Expedition of 1869

Lost In The Grand Canyon - 1999

Celebrating John Wesley Powell's river expedition 150 years later

John Wesley Powell's Early Life

Powell Expedition 150th Anniversary Green River, WY May 24th 2019

Why was INSPIRING EXPLORER John Wesley Powell important to America?

Powell150 1869-2019: John Wesley Powell's Legacy of USGS Exploration