Information on the coal mines of the River Lempa, Republic of San Salvador, Central America [microform] /
Squier, E. G.(Ephraim George),1821-1888.
[London] : Chiswick Press,
1856.
Cover title.
"To ||||||||||. With the respects of E.G. Squier, Private and Confidential."
Sabin 89972.
Sabin Unit 149.
SCI-097.
Microfiche.
Coal mines and mining