Damming Grand Canyon The 1923 USGS Colorado River Expedition

• Автор: Boyer, Diane E (auth)
• Інші автори: Webb, Robert H. (auth)
• Формат: Електронний ресурс Частина з книги
• Мова: Англійська
• Опубліковано: University Press of Colorado 2007
• Предмети: Humanities; History of the Americas; History
• Онлайн доступ: DOAB: download the publication; DOAB: description of the publication

In 1923, America paid close attention, via special radio broadcasts, newspaper headlines, and cover stories in popular magazines, as a government party descended the Colorado to survey Grand Canyon. Fifty years after John Wesley Powell's journey, the canyon still had an aura of mystery and extr...