Publication date
January 1911
DOI Publisher
Baltimore : The Johns Hopkins Press,Abstract
Maps in portfolio: Map of Prince George's County and District of Columbia showing the topography and election districts -- Map of Prince George's County and District of Columbia showing the forest areas by commercial types -- Map of Prionce George's County and District of Columbia showing the geological formations -- Map of Prince George's County and District of Columbia showing the agricultural soils.At head of title: Maryland. Geological Survey.Mode of access: Internet
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