Other|April 01, 1960
Plant microfossils and age of nonmarine Cretaceous sediments of Maryland and Delaware
Micropaleontology (1960) 6 (2): 225-236.
A study of spores and pollen in nonmarine sediments of Cretaceous age from Maryland and Delaware indicates that these deposits range from Lower Cretaceous to lowermost Upper Cretaceous. Twenty-two species of spores and pollen are described, 11 of which are new.