The Patapsco River valley serves as the central corridor for this 2016 survey, where the historic Thomas Viaduct remains a vital landmark spanning the water between Relay and West Elkridge. This area is dense with legacy sites, particularly along the B & O RR lines that historically shaped the growth of communities like Saint Denis, Halethorpe, and Linthicum. The landscape is a complex mix of early industrial infrastructure and suburban evolution, characterized by a high concentration of cemeteries such as the United Hebrew Cem and the Griffith Family Cem.
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1892 · Laurel
USGS Topo · 1:62,500
1892 · Ellicott
USGS Topo · 1:62,500
1894 · Ellicott
USGS Topo · 1:62,500
1894 · Laurel
USGS Topo · 1:62,500
1894 · Baltimore
USGS Topo · 1:62,500
1894 · Relay
USGS Topo · 1:62,500
1897 · Laurel
USGS Topo · 1:62,500
1899 · Baltimore
USGS Topo · 1:62,500
1904 · Baltimore
USGS Topo · 1:62,500
1906 · Ellicott
USGS Topo · 1:62,500