TY - BOOK ED - British Columbia. TI - Specimens and samples, their treatment and use, T2 - British Columbia. Dept of Mines. Bulletin AV - TN27 .B72 no. 18 U1 - 669.9 PY - 1944/// CY - Victoria, B.C. PB - Printed by C.F. Banfield, printer to the King KW - Ores KW - Sampling and estimation ER -