Hessonite from San Diego County, California, USA

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USA
California San Diego County Banner Mining District Banner ⓘ Unspecified Garnet occurrence	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 195 […(abstract): Geol. Zentralbl., Band 27: 395 (1922)]: 765 Merrill, Frederick James Hamilton (1916), San Diego, Imperial Counties: Calif. Min Bureau Report 14: 635-743
Mason Valley ⓘ Mason Valley Gem claim	Hilton, J. W. (1939): Mine that has everything, except gem stones. In: The Desert Magazine, Volume 3, November 1939, p. 28.
Jacumba East of Jacumba ⓘ Garnet-Vesuvianite occurrence	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 195 Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau
ⓘ Lulubelle Mine	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 195 Snyder, Doris (1962), Epidote and garnet in San Diego County: Gems & Minerals, No. 292: 22-23, Jan., 1962
Mesa Grande Mining District Gem Hill ⓘ Himalaya Mine	Carnahan, V. 1960. The Treasure of the Himalaya Mine. Gems & Minerals magazine, November, pages 21-25, 55-57.
ⓘ Pala Mining District	Murdoch, Joseph & Webb, Robert W. (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 195. Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau
Ramona Mining District Ramona ⓘ Lookout Mine (Hercules group; Lookout prospect; Upper Hercules mine) ?	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 195 Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau
ⓘ ~~Prospect Mine~~	Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau 150.
Ramona Ramona area ⓘ McFall Mine	CALIF. DIV. MINES AND GEOL. COUNTY REPORT 3, 1963, NO. 113, P. 107.