Risultati per "John Wesley" in Scienza e ingegneria

John Wesley Powell was a pioneer American explorer, ethnologist, and geologist in the 19th Century. In 1869 he set out to explore the Colorado and the Grand Canyon. He gathered nine men, four boats and food for ten months and set out from Green River, Wyoming, on May 24. Passing through dangerous rapids, the group passed down the Green River to its confluence with the Colorado River (then also known as the Grand River upriver from the junction), near present-day Moab, Utah.The expedition's route traveled through the Utah canyons of the Colorado River, which Powell described in his published ...

Welcome to Volume VIII of the National Academy of Sciences Biographical Memoirs series. Journey with us through 33 sections, each dedicated to an integral aspect of the life of John Wesley Powell (1834-1902). Powell was a pioneering figure in the geological explorations of the West, and the driving force behind the establishment of the U.S. Geological Survey in 1879. A strong advocate for Native American tribes and culture, Powell led the Bureau of Ethnology with a passionate spirit. He penned a comprehensive study of the western U.S., championing careful irrigation and land conservation. His ...