Id# 105938940, Dimensions: 346 x 500
|By Adam Stackhouse|
Mar 31, 2007
Quite clearly the biggest portable found yet!
From: a botched genetics experiment
Feb 10, 2011
I believe that this is the traditional beginnings of manufacturing on boulders.
|By Morgan Patterson|
Jun 5, 2013
This isn't just erosion? How does one tell the difference between water formed holes like this and ones made by man?
Photo 17 of 69
|| 5.0 from 3 votes
Up-turned grinding stone. This boulder was dislodged and turned to a vertical position during the flood of 1996.
It's along the Merced River in El Portal.
Photo by Blitzo.
Submitted By: Blitzo
on Mar 31, 2007