B.D. Meritt, Hesperia, 26, 1957, pp. 66-67, No. 18, photograph pl. 12 S.E.G., XVI, 86 W.K. Pritchett, Hesperia, 11, 1942, pp. 246-247, No. 49, photograph p. 247 S. Dow, Hesperia, Suppl. I, p. 148, No. 83, photograph p. 148
5 December 1938 9 April 1937 24 May 1937 16 March 1934