"During a chilly September morning, the steam rises out of the bubbling Twin Geysers with the lake and trees in the background. The area is part of the West Thumb Geyser Basin along Lake Yellowstone in Yellowstone National Park in Wyoming.
"Antique 19th-century engraving of a floral ornament (isolated on white). Published in Systematischer Bilder-Atlas zum Conversations-Lexikon, Ikonographische Encyklopaedie der Wissenschaften und Kuenste (Brockhaus, Leipzig) in 1844.