TY - BOOK ID - 133905505 TI - Lead deposits in the Union of South Africa and South West Africa with some notes on associated ores AU - Willemse, Johannes AU - Schwellnus, Carl Martin AU - Brandt, J. W. AU - Russell, H. D. AU - Van Rooyen, D. P. PY - 1944 VL - 39 PB - Pretoria : Printed by the Government Printer, DB - UniCat KW - Lead ores KW - Lead ores UR - https://www.unicat.be/uniCat?func=search&query=sysid:133905505 AB - ER -