Maine · Knox County
Prospect

Porterfield Ledge Mine

Knox County, Maine, United States
Silver
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver
Commodity typeM
Economic & production
Development statusProspect
Identification
Deposit ID10121087
RegionNA
Data scoreD
Coordinates44.15355, -69.06128
References
MORRILL, PHILIP & HINCKLEY, WM P, 1959, ME MINES & MINERALS,VOL 2, PP. 43 & 69.