Mid Upper Welch CreekOne bedrock mortarElevation 1410 ft.To those who believe it’s not worth their time and effort to check out a single-mortar site, we offer this one as a rebuttal. Go in the winter when water cascades down Welch Creek.Another one of Jeff’s great finds. Keep ’em coming Jeff!Note this mortar’s broad, flaring mouth.
Reservoir7 bedrock mortarsElevation 743 ft.These mortars sit where relatively level ground gives way to rocks and rising contours. They are subject to burial by soils washed down from above.One of a pair of bullet-shaped mortars on a slab near the five-mortar rock pictured above. Note the machined interior and flat rim.Photograph by Bob Bardell.
Sulphur Spring18 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. […]