| Reference | {Deposit:: CALIF. B. 174, P. 58, 95 AND PL. 1}{Deposit:: CALIF. V. 36, NO. 2, P9 152-3}{Deposit:: REPT. 23, OCT. 1927, P. 404; CALIF. REPT. 27, P. 545; ADD. REF.: CALIF. MINERAL ABSTRACTS - PUMICE AND VOLCANIC ASH, P.19; CALIF. B. 156, P 197} |