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1. Massachusetts (State Register of Historic Places, 1997b)

MassGIS (Office : Mass.) and MassGIS. The State Register of Historic Places (SRHP) datalayers consist of both point and polygon coverages which represent locations or boundaries of sign... MassGIS.

2. Massachusetts (State Register of Historic Places, 1997c)

MassGIS (Office : Mass.) and MassGIS. The State Register of Historic Places (SRHP) datalayers consist of both point and polygon coverages which represent locations or boundaries of sign... MassGIS.

3. Massachusetts (State Register of Historic Places, 1997d)

MassGIS (Office : Mass.) and MassGIS. The State Register of Historic Places (SRHP) datalayers consist of both point and polygon coverages which represent locations or boundaries of sign... MassGIS.