Lohman, K.E. (1948). Middle Miocene Diatoms from the Hammond Well. Cretaceous and Tertiary subsurface geology. State of Maryland Board of Natural Resources, Department of Geology, Mines and Water Resource, Bulletin 2. Baltimore., 151-186, pls. 5-11.
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Lohman, K.E.
1948
Middle Miocene Diatoms from the Hammond Well.
Cretaceous and Tertiary subsurface geology. State of Maryland Board of Natural Resources, Department of Geology, Mines and Water Resource, Bulletin 2. Baltimore.