Choptank River HeritageThis map shows NRHP sites in the Mid-Shore counties of Kent, Queen Anne, Caroline, Talbot, and Dorchester, on Maryland's Eastern Shore. Map data was provided to the Choptank River Heritage Center (CRHC) by the office of the Chief Archeologist/GIS Coordinator, Maryland Historical Trust, Maryland Department of Planning, 100 Community Place, Crownsville, MD 21032.FileengPennsylvania Spatial Data Access (PASDA)PublicChoptank River Heritage NRHP (National Register of Historic Places) [Pennsylvania]DatasetsPennsylvania