TY  - BOOK
AU  - Truscott,S.J.
TI  - Mine economics: sampling-evaluation-organization 
AV  - TN153 TRU
PY  - 1937///
CY  - London
PB  - Mining Publications,  
KW  - Mineral industries
KW  - Ores
KW  - Sampling and estimation
KW  - Mine valuation
N1  - Includes bibliographical references and index
ER  -