Sulphur Spring
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Sulphur Spring

Sulphur Spring
18 cupule rock; 5 bedrock mortars; slick 70′ away.
Elevation 722 ft.

The cupule rock. The use of cupule rocks here and elsewhere is, for the most part, shrouded in mystery. See Cupule Petroglyphs in the Diablo Range by E. Breck Parkman in the Journal of California and Great Basin Anthropology Vol. 8, No. 2, pp. 254-55 (1986) for a discussion of this rock art form.

One of the mortars lying alongside the little creek flowing from the sulphur spring. Note the flaring mouth.

We explored around here for years but never ran across this pair of mortars. Nice find, Richard.

Previous two photographs by Bob Bardell.

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