TY - BOOK AU - Patterson, Lawson B PB - Printed by Miles TI - Twelve years in the mines of California : embracing a general view of the gold region, with practical observations on hill, placer, and quartz diggings, and notes on the origin of gold deposits KW - Gold mines and mining - California. CY - Cambridge PY - 1862 M1 - Accessed from http://nla.gov.au/nla.cat-vn636815 ER -