Conrad, T. A. (1830). On the geology and organic remains of a part of the peninsula of Maryland; with appendix; containing descriptions of twenty-nine new species of fossil shells, noticed in the preceding paper. Journal of the Academy of Natural Sciences of Philadelphia. 6 (2): 205-230, pls 9-10.
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Conrad, T. A.
1830
On the geology and organic remains of a part of the peninsula of Maryland; with appendix; containing descriptions of twenty-nine new species of fossil shells, noticed in the preceding paper
Journal of the Academy of Natural Sciences of Philadelphia