Werth, John J. A dissertation on the resources and policy of California: mineral, agricultural and commercial, including a plan for the disposal of the mineral lands, by John J. Werth. - Benicia, Cal., St. Clair & Pinkham, 1851. - viii, 87 p. 20 cm. LCCN: rc 01000828 Subjects--Topical Terms: Gold mines and mining--California. Subjects--Geographic Terms: California--Gold discoveries. LC Class. No.: F865 / .W49