01123cam a22002771 4500 gs 40000064 DLC 20260227111345.0 790614s1939 at abf b s000 0 eng c gs 40000064 (OCoLC)5065687 U.S. Geol. Survey. Library TxCM OCoLC DLC u-at-sa QE345 .A4 no. 18 QE655 .S4 Segnit, Ralph Walter. The pre-Cambrian-Cambrian succession; the general and economic geology of these systems, in portions of South Australia, by Ralph W. Segnit ... Adelaide, Frank Trigg, government printer, 1939. 191 p. incl. tables. XI plates, maps (part fold) diagrs. (part fold.) 25 cm. South Australia. Geological survey. Bulletin no. 18 At head of title: South Australia. Department of Mines, Geological Survey of South Australia. Bibliography: p. 190-191. Geology Australia South Australia. Geology, Stratigraphic Precambrian. Geology, Stratigraphic Cambrian. 27615 27615