6 1/8 x 4 1/4 in. stereoviews on cardstock mounts with square corners (overall very good condition, rich tonality, some images and mounts with soiling; corner and edge wear to mounts). Rectos feature "US Topographical and Geological Survey of the Colorado River of the West, By J.W. Powell and A.H. Thompson" imprint. Most versos with applied paper labels including the photographer's credit, image number, series title "Indians of the Colorado Valley," and image title. Several versos also include applied paper label from publisher J.F. Jarvis, Washington, DC.

Image numbers and titles include: No. 13, The Basket Maker. -- No. 19, Game of Wolf and Deer. -- No. 20, "One-little Two-little Three-little Injuns." -- No. 28, Won-Si-Vu and Ku-Ra-Tu. -- No. 39, In Council. -- No. 62, An-Ti-Naints, Pu-Tu-Siv, and Wi-Chuts. -- No. 63, An-Ti-Naints, Pu-Tu-Siv, and Wi-Chuts, Sitting. -- No. 65, Si-Gav and An-Ti-Naints. -- No. 69, E-Nu-Ints-I-Gaip, or One of the Ancients. -- No. 70, Two "Old Boys." -- No. 71, The Old Gamblers. -- No. 107, The Boy in the Cedar. -- Untitled scene showing native subjects gathered before a tipi.