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County:
Russell
Individual/Organization:
Nelson, M.E.
FHSM VP-2194
Bootherium bombifrons
(Harlan, 1825)
Period(Early):
Quaternary
FHSM VP-5517
Ichthyornis
(Marsh, 1872)
Formation:
Greenhorn
Period(Early):
Cretaceous
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