Phil's Projects
NHPA Mapp California's Obsidian Trail
Submitted by Phil Gross on Thu, 09/12/2019 - 9:58am
California's Obsidian Trail
Submitted by Phil Gross on Fri, 04/28/2017 - 12:06pmCalifornia's First Silicon Chip
Submitted by Phil Gross on Wed, 02/03/2016 - 12:06pmArt & Ag Project
Submitted by Phil Gross on Tue, 12/09/2014 - 3:46pm