'Mines near Ticonderoga, New York were once the USA's principal source for this 8-letter mineral'
graphite
ROCKS & MINERALS: Mines near Ticonderoga, New York were once the USAs principal source for this 8-letter mineral
Mines near Ticonderoga, New York were once the USA's principal source for this 8-letter mineral
Mines near Ticonderoga, New York were once the USA's principal source for this 8-letter mineral
ROCKS & MINERALS
graphite
ROCKS & MINERALS