USA, Grotto Geyser in Upper Geyser Basin, Yellowstone National Park Old Postcard

Vintage Colour US Old Postcard. USA. Yellowstone National Park. Rocks. Grotto Geyser lies in the upper geyser basin north of Old Faithful close to the road on the left. It differs from most in that the empty crater is more interesting than the eruption. Its eruptions occur every 2 to 5 hours and its temperature is 201 degree. With Air Mail Par Avion label.

Publisher: C.T. Art-Colortone
Series No: 972

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