TY  - BOOK
AU  - Pomeroy, Henry R.
TI  - Pomeroy's mining manual for prospectors, miners and schools: Showing where and how to search for gold and silver mines, and to make tests 
AV  - TN271.G6 P65 1881
PY  - 1881///
CY  - St. louis
PB  - H. r. pomeroy
KW  - Prospección
ER  -