Historical Shorelines 1846, 1933 & 1949 - Gunpowder Neck Quadrangle
Historical shoreline information has been overprinted on a mylar based, USGS 1:24,000 topographic quadrangle.
Harford County (MD)--Maps, Baltimore County (MD)--Maps, Historical Shorelines--Maryland--Maps
Publisher: Baltimore: Maryland Geological Survey
Sorry, we are unable to provide the full text but you may find it at the following location(s):
http://jhir.library.jhu.edu/ha... (external link)