Map of Maryland and the District of Columbia geological formations.
Map of Maryland and the District of Columbia, colored to illustrate the geological formations by Philip T. Tyson. L.E. Neuman, eng. , 36 Vesey St., N.Y. (Published by Stedman, Brown & Lyon, Baltimore. 1873)
David RumseyTyson, Philip T.
1873
1873
Stedman, Brown & Lyon
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