Keywords: Prospect Hill Long Green HABS MD1.jpg en Prospect Hill Long Green Baltimore County Maryland USA http //memory loc gov/pnp/habshaer/md/md0400/md0438/photos/085591pv jpg E H Pickering HABS photographer 1936-09 PD-USGov-Interior-HABS Historic American Buildings Survey of Maryland Brick houses in Maryland National Register of Historic Places in Baltimore County Maryland |