00879cam a22002411 4500 gs 20000305 DLC 20260227111324.0 900524s1919 at abef f000 0 eng c gs 20000305 (OCoLC)21584339 Library, U.S. Geological Survey TxU TxU DLC premarc TN478.N5 H3 Harper, Leslie F. The geology and mining developments of the Ardlethan tin field. By L.F. Harper ... Sydney, W.A. Gullick, Government Printer, 1919. 32 p. plates, fold. map, plans (1 fold.) diagrs. 25 cm. Mineral resources (Geological Survey of New South Wales) no. 29 At head of title: New South Wales. Department of Mines. Tin mines and mining New South Wales. Geology New South Wales. 26020 26020