Explore the mineral-rich region of Northern California with Rockhounding Northern California and unearth the state’s best rockhounding sites, ranging from pop

A complete guide and source-book brimming with advice on collecting and preparing gems and minerals .

This most complete guide to Northern California features sites from the Oregon border south to San Luis Obispo. Beautiful color photographs showcase the specime

Detailed maps and descriptive text lead the rock-hound to over 70 of the best sites from San Luis Obispo to the Mexican border.