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Blue Springs, Mammoth Terraces, Yellowstone National Park, circa 1940

Subjects
Mountains & HillsNational & State Parks
Card type
Linen
Date
c. 1930 (White Border)
Front of Blue Springs, Mammoth Terraces, Yellowstone National Park, circa 1940, c. 1930 linen postcard
Front
Back of Blue Springs, Mammoth Terraces, Yellowstone National Park, circa 1940, c. 1930 linen postcard
Back

About this postcard

The card shows the Blue Springs of the Mammoth Terraces in Yellowstone National Park: terraced basins of pale blue and turquoise water held by low, scalloped rims stained pink, orange and rust, with green hills and a distant snow-streaked mountain range behind. Mammoth Hot Springs is a large travertine terrace complex built up by hot-spring water depositing calcium carbonate, and its pools are colored by heat-loving bacteria and algae. The terraces have shifted and dried over the decades, so views like this record formations that no longer look the same today.

Postcard Details

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PublisherSanborn Souvenir Co.
969 BLUE SPRINGS, MAMMOTH TERRACES, YELLOWSTONE NATIONAL PARK 2A-H691 --- BLUE SPRINGS, MAMMOTH TERRACES Blue Springs are reached by the Terrace Trail through the terraces and springs about Mammoth Lodge. By standing near them one can best observe the wonderful colorings of the pools and terraces. POST CARD PLACE STAMP HERE "C. T. ART-COLORTONE," SANBORN SOUVENIR CO., DENVER, COLO.
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Postcard record

PublisherSanborn Souvenir Co.
Series969
ConditionVery good
Place depictedYellowstone National Park, WY
Place depictedMammoth Hot Springs Terraces, WY
PublisherSanborn Souvenir Co., Denver, CO
NotesLinen-textured stock with a white border; "2A-H691" is a Curt Teich production code, suggesting a late 1930s-1940s date. No postmark — unused card. Divided-back linen-texture card with white border (C.T. Art-Colortone process), Sanborn Souvenir Co., Denver. Clean, light edge wear.

Cite this card

Blue Springs, Mammoth Terraces, Yellowstone National Park, circa 1940, postcard, c. 1930. PostalPast Collection. https://postalpast.com/postcard/blue-springs-mammoth-terraces-yellowstone-national-park-circ. Accessed October 24, 2026.