and local agencies (including the airport land use commission) have been obtained; 3. Commercial excavation or extraction of natural materials including, without limitation, geothermal, oil and gas resources; 4. Timber harvesting; 5. Sanitation treatment plants and oxidation ponds; 6. Electric transmission
Read it in the chapter →Land use · Napa County Unincorporated, California
Commercial excavation or extraction of natural materials
How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only Napa County Unincorporated’s own text settles what this covers.