And coal found a mine in Rhode Island was found in a Greenlandic Viking settlement.
Interesting!
> Other than brief references by the saga men and rune carvers, we are left with a few Atlantic coast clam shells found in a Danish midden, a chunk of Rhode Island anthracite coal found in Greenland, a Norse penny in a native context in Maine and a Norse spindle whorl in the artifact collection unearthed at L’Anse aux Meadows, in Newfoundland... in the 1830’s... Carl Christian Rafn, Danish antiquarian, scholar, professor, Royal Councilor and possessor of formidable knowledge of the repertoire of Old Norse literature, published his Antiquae Americanae. In it, he presented a forceful case for Norse presence along the New England coast which included the Dighton writing rock and the Newport Tower.
(in the 1940s a one world runic inscription was found carved into a stone of the Newport Round Tower)