34 stereoviews on assorted mounts, ranging in size from 7 x 3 3/8 to 7 x 4 1/2 in. Group includes 7 cabinet sized stereoviews on yellow mounts from the "U.S. Topographical and Geological Survey of the Colorado River Region of the West" by J.W. Powell and A.H. Thompson featuring photography by J. Fennimore (2), E.O. Beaman, and John Hillers (4); 3 views from the "Yellowstone Scenery and Indian Views" series by L.A. Huffman featuring period ink inscriptions on verso; 2 cabinet sized stereoviews from "Zimmerman's Artistic Minnesota Views" series including "Minne-ha-ha. (Laughing Water)" and "St. Anthony Falls. Minn;" 2 other views by Zimmerman featuring a Wisconsin rock formation and a Chippewa domestic scene; one view featuring Gold Bearing Pyramid in California by J.J. Reilly; 2 Egyptian views of mosques by A. Braun; and 17 others.