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| Jahns, Richard Henry & Wright, Lauren A. (1951), Gem and lithium-bearing pegmatites of the Pala district, San Diego County, California. California Division of Mines Special Report 7-A: p. 18-19. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A p. 14. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A: p. 14, 72 pp. |
| Jahns, Richard Henry & Lauren A. Wright (1951), Gem and lithium bearing pegmatites of the Pala district, San Diego County, California: California Division Mines Special Report 7-A: 57-59. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A: p. 14, 24, 57-59, 72 pp. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A: p. 14, 72 pp. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A, p. 14. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A p. 14. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A: pages 59-61. |
| Jahns, R. H. and Wright, L. A. (1951), Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A: pages 55-56. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A p. 14. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A, page 57. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A p. 14. |
| Jahns, R. H. and Wright, L. A. 1951. Gem and Lithium-bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines special report 7A p. 14. |