Guadalupe Oak Grove Park
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Guadalupe Oak Grove Park


Guadalupe Oak Grove Park
4 bedrock mortars
Elevation 296 ft.

A funnel-shaped mortar or a small cone with a broad flaring mouth? You make the call.


Skeptical Bob runs his hand over the inner surface of this shallow concavity to determine whether if feels “worked.” It does.


A shallow mortar.

Photograph by Bob Bardell.

The mortar on this rock may have started life as a natural feature..