Stereoview from Lieutenant George M. Wheeler's Expedition of 1871. Part of the series "Geographical Explorations and Surveys West of the 100th Meridian" this being No. 6. Stereoview is on yellow mount with black lettering on recto, red lettering on verso; card measures 7" x 4"; number "143" written in the negative. In very good condition with light soiling on card and to photograph. Lieutenant George M. Wheeler's surveys ran from 1869-1879, Timothy H. O'Sullivan joining the expedition in 1871 as a photographer. Wheeler captioned O'Sullivan's photographs providing geological, geographical and cultural information, hoping to emphasize that the West was a hospitable place for settlers (Smithsonian Institution). Mautz p61.