Author: [ Clark, W.M.B., et al. ]:
Title: Maryland Geological Survey. Lower Cretaceous.
Description: Baltimore: Johns Hopkins Press, 1911. 2 volumes, large 8vo. Pp. 622, 9 plates of photogr. views, 87 plates of fossils, 1 fold. col. map, 15 figs., indices. Orig. cloth. Bindings a little marked, contents very good. - Mostly on the fossil flora.

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