Age |
How Dated |
Location |
Collector/ |
Alive? |
More |
940 |
crossdated |
WV |
B. Buckley, P. Krusic, E. Cook, |
Yes |
|
860 |
crossdated |
MO |
R. Guyette |
Yes |
|
795 |
crossdated |
MO |
D.W. Stahle R. Guyette M.D. Therrell M.K. Cleaveland; ITRDB |
Yes |
|
720 |
crossdated |
WV |
S. Maxwell; Citation: |
Yes |
|
294 |
crossdated |
Ball's Falls, Niagra Escarpment, Canada |
P. Kelly & D. Larson |
Yes |
|
