Potomac Formation
From Wikipedia, the free encyclopedia
The Potomac Formation are Lower Cretaceous strata located in Delaware, Maryland and New Jersey, in the eastern United States.
Flora found include large cycads.[1]
[edit] References
- ^ Ward LF (1894) Recent Discoveries of Cycadean Trunks in the Potomac Formation of Maryland Bulletin of the Torrey Botanical Club, Vol. 21, No. 7 (Jul. 20, 1894), pp. 291-299 doi:10.2307/2477918