Ads
related to: grand canyon float trips rated
Search results
Results From The WOW.Com Content Network
The Grand Canyon section of the Colorado River, like several other big-water Western rivers, uses a rapids scale developed by Otis R. Marston of 1–10 for rapids, 10 being the most difficult. The International Scale of River Difficulty , which classifies rapids from class I to VI, is more common elsewhere in the US and internationally.
In 1983, Grua, along with river guides Rudi Petschek and Steve Reynolds, set a record for speed rowing down the 277-mile length of the Colorado River through the Grand Canyon, with a time of 36 hours, 38 minutes and 29 seconds, breaking the previous record of just under 48 hours set in 1980 by Grua, Petschek, and Wally Rist, which in turn broke the record of 52 hours established in 1951 by the ...
Georgie White Clark (1911–1992) was a river-running guide in the Grand Canyon.She was the first woman to run the Grand Canyon as a commercial enterprise, and she introduced several innovations and adjustments to the way that guides ran the Colorado River.
The Powell Geographic Expedition of 1869, led by American naturalist John Wesley Powell, was the first thorough cartographic and scientific investigation of long segments of the Green and Colorado rivers in the southwestern United States, including the first recorded passage of white men through the entirety of the Grand Canyon.
The Grand Canyon Association (GCA) is the National Park Service's official nonprofit partner. It raises private funds to benefit Grand Canyon National Park by operating retail shops and visitor centers within the park, and providing educational opportunities about the natural and cultural history of the region. Its goals include:
An 80-year-old man has died after falling from a boat on the Colorado River inside Grand Canyon National Park, authorities said Tuesday. In a news release, a Grand Canyon National Park ...
Ads
related to: grand canyon float trips rated