September 20, 2022

Today in History: Grand Canyon

Today in History–February 26–the Library of Congress features the Grand Canyon. On this date in 1919 Congress established Grand Canyon National Park in the state of Arizona. Learn more about this magnificent place, considered by many to be one of the earth's most spectacular natural wonders, by visiting the Today in History section and then clicking the links below. Primary sources The physical geology of the Grand Canyon District, Annual report of the United States Geological Survey to … [Read more...]