The Lower Falls is 94m high and was formed by the rapid erosion of progressively softer, less resistant rock. Second of Yellowstone’s iconic views, Lower Yellowstone Falls and the Grand Canyon of the Yellowstone. Congress acted quickly and in March 1872, President Ulysses Grant signed into law an act creating Yellowstone National Park, protecting the area for future generations. During a time when the vast wilderness of western America was viewed by most as a territory to be tamed, settled, mined, and ranched, the unique features of the Yellowstone country trumped all. Hayden gave Congress his official report and urged them to set aside the Yellowstone area. Hayden’s scientists, photographers, and artists produced a wealth of information confirming the wonders of Yellowstone. Hayden, became involved and in 1871 launched the most extensive of all the early Yellowstone expeditions. This is when the US Geological Survey, headed by Dr. Upon their return various members wrote articles, delivered lectures, and attracted national attention to the wonders they saw. Their information prompted another and larger expedition into the area, led by Henry Washburn. In the fall of 1869, three adventurers named Folsom, Cook and Peterson spent a month in what is now Yellowstone National Park. The last place to be explored in the current 48 contiguous states happened to be the area where the present-day states of Montana, Idaho and Wyoming converge. The size pictured here is deceiving as the benches in the foreground are over 90m away from the geyser. Since 1959, slight shifts in Old Faithful eruption activity have been recorded, linked to earthquakes in and around the area. The early explorers were impressed by the height (27m to 56m high) and frequency (every 35 to 120 minutes for a duration of two to five minutes) of the eruption. This is the largest regular geyser in the park and has been erupting in nearly the same fashion since the Washburn Expedition viewed and named it in 1870. First of the iconic Yellowstone scenes is the viewing of Old Faithful geyser.
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