Courtesy Library of Congress. Title: Great Falls of Snake River, Idaho territory / TM ; Prang's American Chromo. Contributor Names: L. Prang & Co., Moran, Thomas, 1837-1926, artist. Created / Published c1876. Subject Headings: Waterfalls--Idaho--1870-1880, Cliffs--Idaho--1870-1880, Snake River (Wyo.-Wash.)--1870-1880 The location of Idaho Falls, Idaho, (initially Eagle Rock), along the Snake River in Eastern Idaho… Continue reading Volcanos and rapids, the origins of Eagle Rock