
Text printed on reverse of stereocard: This Park, the largest in the world, area 3578 sq. miles, elevation above the sea from 6000 to 14,000 ft., is on both sides (but mainly on E side) of the main range of the Rocky Mts., in N.W. corner of Wyoming Territory, U.S. of A. It was made a National Park by Act of Congress, approved March 1, 1872, and contains a far greater number and variety of natural wonders, lakes, cataracts, canons, mud volcanoes, solfataras, fumaroles, ornamental hot springs, spouting geysers, etc., than any other equal area on the globe.