Date Note | Date given for Greenough's copy, date of Mitscherlich's collated works |
Publication Note | Map appeared in Mitscherlich, E. "Ueber die Vulcanischen Erscheinungen in der Eifel", 'Berlin Akad Abhandl', (1865), pp1-68, however Greenough had a copy in his collection [died 1855], and his seems to date from c.1835. |