KX1905 Butler, PA 16001 (Butler County) Lafayette Building
- 10/5/2003 - Found - Took photos
KX2139 Butler, PA 16001 (Butler County) Butler County Courthouse
- 10/5/2003 - Found - Took photos
KY0677 Pittsburgh, PA 15212 (Allegheny County) 6th Street Bridge
- 10/19/2003 - Not Found - Found bridge, not marker
KX1603 Renfrew, PA 16053 (Butler County) Near RR crossing at Meridian Road
- 10/23/2003 - Not Found
- 10/25/2003 - Found - Took photos
KY2925 Evans City, PA 16033 (Butler County) Bridge on Rt 68 over Connoquenessing Creek
- 10/23/2003 - Not Found
- 10/25/2003 - Found - Took photos
MB0305 Grove City, PA 16127 (Mercer County) RR bridge near old B & LE station
- 10/27/2003 - Not Found
MB0306 Grove City, PA 16127 (Mercer County) Foundation of Carnegie Music Hall
- 10/27/2003 - Found - took photos
MB1899 Grove City, PA 16127 (Mercer County) Water Tank near Grove City College
- 10/27/2003 - Found remnants - took photos