August 19, 2007
Donald Davis shows off a collection of elemental sulfur on a rock near a spring source on Howelsen Hill on Saturday morning. Davis and a group of scientists and cavers met to explore the Sulphur Cave on the side of Howelsen Hill in Steamboat Springs.
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Along a hillside overlooking the baseball fields at Howelsen Hill, a group of cave aficionados of varying scientific professions met Saturday at the seldom-explored Sulphur Cave.