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  1. William Wallace Bass: A Grand Canyon Trail Builder. Life: October 2, 1849–March 7, 1933. In 1885, William W. Bass set up a primitive tent camp on the South Rim, about 25 miles west of what is now Grand Canyon Village, where Ralph Cameron was collecting his tolls.

  2. Early history. Split-twig figurine from the Grand Canyon. Current archaeological evidence suggests that humans inhabited the Grand Canyon area as far back as 4,000 years ago [1] and at least were passers-through for 6,500 years before that. [2] .

  3. Tucson Territorial Pioneer Project. This collection of over 100 images of early Tucson and Southern Arizona pioneers is the result of a collaborative effort by the Arizona Historical Society, the Arizona State Genealogical Society (ASGS) and the Afro-American Historical and Genealogical Society (AAHAS) Tucson Chapter.

  4. Early European and American explorers of Grand Canyon and Colorado River were willing to go into "The Great Unknown" risking their lives to learn the canyon's secrets. They were the first to document the power of the Colorado River, understand the immense size of Grand Canyon, and share its beauty and danger with the world.

  5. This 1858 hand-colored map, titled “Rio Colorado of the West,” is one of the earliest visual representations of the Grand Canyon area. It was prepared by John Strong Newberry, M.D., a geologist with the expedition led by Lieutenant Joseph C. Ives.

  6. 11 lut 2019 · The Grand Canyon in northern Arizona is America’s greatest geologic wonder. Shaped by erosion of the Colorado River and its tributaries, the Canyon offers a landscape of grand-in-themselves side canyons, buttes, mesas and plateaus, with an unprecedented window into 2 billion years of Earth history.

  7. The section of Arizona north of the Grand Canyon is known as the Arizona Strip. Its natural and cultural features tie it closely to the biology, geology, and history of Grand Canyon National Park. Credit: Canyons, cultures and environmental change: An introduction to the land-use history of the Colorado Plateau.

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