The Most famous site in Yellowstone Park – 'Old Faithful' Geyser in action (180 ft. high).

Wyoming stereoscopic card.

Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who assembled it over a period of more than six decades, Robert N. Dennis (1900-1983).

Stereographs consist of two nearly identical photographs or photomechanical prints, paired to produce the illusion of a single three-dimensional image, usually when viewed through a stereoscope. Stereographs were produced from the 1850s to the 1940s, with the bulk between 1870 and 1920.

wyoming yellowstone national park national parks reserves yellowstone park old faithful high resolution national parks and reserves stereoscopic views site yellowstone park old faithful geyser action united states robert dennis collection of stereoscopic views images of yellowstone national park underwood and underwood nypl

1901

New York Public Library

http://digitalcollections.nypl.org/

Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")