| References: |
- Deposit:: ADAMS, W. T., GRAPHITE. BUMINES BULL. 667, 1975, P. 455.
- Deposit:: GRAFFIN, G. D., GRAPHITE. INDUSTRIAL MINERALS AND ROCKS,
- Deposit:: 4TH ED.A 1975, P. 691.
- Deposit:: HAND, G. P., GRAPHITE. MINING ENGINEERING, MAY 1981, P. 576.
- Deposit:: TAYLOR, H. A., GRAPHITE. BUMINES MYB, VOL. 1, 1980.
- Deposit:: MERWIN, R. W., THE MINERAL INDUSTRY OF MEXICO. BUMINES MYB,
- Deposit:: VOL. 3, 1975, P. 675.
- Deposit:: MEXICO, OPPORTUNITIES IN INDUSTRIAL MINERALS, BY A. ALATORRE
- Deposit:: P. HARBEN, H. MCVEY, K. SATINI; 29TH FORUM ON THE GEOLOGY
- Deposit:: OF INDUSTRIAL MINERALS, LONG BEACH, CA. APRIL, 25-30, 1993
- Deposit:: PAGES 29-30.
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