Located in Yellowstone National Park, Wyoming, the Grand Prismatic Spring is the largest natural hot spring found in the US. The spring has a scalding temperature of 160 °F(70 °C), a total depth of 160 feet and a diameter of 300 feet. The vivid, rainbow colors in the spring are the result of pigmented bacteria in the microbial mats that grow around the edges of the mineral-rich water.
Glen Baxter. The leadind contemporary art critics found it overtly sentimental and lacking any serious theoretical underpinning but i recognized a masterpiece when i saw one. In and crayon on paper, 78 x 57 cm.