Old Faithful Geyser, height 150 feet
Genuine Curteigh-Chicago "C.T. Art-Colortone" Post Card
Old Faithful Geyser. Yellowstone Park, as depicted in this picture is one of the typical mid-day eruptions when there is sufficient breeze to waft away from the 150 ft. water column its envelope of steam. These displays occur summer and winter at intervals varying from 65 to 80 minutes.