Maryland Geological Survey.
Baltimore: Johns Hopkins Press, 1897-1922. Quarto, 21 volumes. Publisher's cloth (except for two volumes), a fine set. A monumental work on the geology of North America. Freight will be charged at cost. More
Baltimore: Johns Hopkins Press, 1897-1922. Quarto, 21 volumes. Publisher's cloth (except for two volumes), a fine set. A monumental work on the geology of North America. Freight will be charged at cost. More