00782cam a22002171 4500 gs 15000304 DLC 20260227111317.0 920701s1914 at b 000 0 eng c gs 15000304 (OCoLC)26113987 Library, U.S. Geological Survey CSt CSt DLC TN122.T3 A37 no. 4 Twelvetrees, W. H. (William Harper), 1848-1919. On cement materials at West Arm, by W.H. Twelvetrees ... Hobart, Tasmania, J. Vail, government printer, 1914. 2 p. l., 18 p. fold. map. 22 cm. Tasmania. Geological survey. Geological survey report no. 4 At head of title: Tasmania. Dept. of Mines. Cement Australia Tasmania. 25494 25494