J. Creaghan and A. Raubitschek, Hesperia, 16, 1947, p. 46, no. 21, photograph of a squeeze pl. 9 J. Creaghan and A. Raubitschek, Hesperia, 16, 1947, p. 45, no. 16, photograph of a squeeze pl. 8 J. Creaghan and A. Raubitschek, Hesperia, 16, 1947, p. 45, no. 17, photograph of a squeeze pl. 8 J. Creaghan and A. Raubitschek, Hesperia, 16, 1947, p. 42, no. 13, photograph of a squeeze pl. 7 J. Creaghan and A. Raubitschek, Hesperia, 16, 1947, p. 46, no. 23, photograph of a squeeze pl. 9 J. Creaghan and A. Raubitschek, Hesperia, 16, 1947, pp. 42-43, no. 14, photograph of a squeeze pl. 8
1931 12 May 1933 16 March 1936 24 April 1936 8 November 1935 29 March 1939