On the serpentine barrens of the Pennsylvania and Maryland line near Nottingham, the State Line chromite district and Wood’s Chrome Mine have given the world some of its finest specimens of rare species born in that strange green rock. Historic, world-known, and largely on protected or private ground, so look, read and ask before you collect.
Rare serpentine minerals
See it on the map
Other places on the map within a couple of hours.
