Placer County Unincorporated, California · General provision

Section 17.04.030

From the ordinance

"Mining, surface and subsurface (land use)." "Surface mining" and "subsurface mining" means mining, developing mines or exploring for metallic minerals (ores), coal and nonmetallic minerals (except fuels), or surface mines extracting crushed and broken stone, dimension stone or sand and gravel.
Section 17.04.030