12 entries match your criteria.
Historical Markers in Coplay
Allentown is the county seat for Lehigh County
Coplay is in Lehigh County
1 ► Pennsylvania, Lehigh County, Coplay — Coplay Made Cement: Cement Made Coplay —  |
| 2 ► Pennsylvania, Lehigh County, Coplay — Coplay Made Cement: Cement Made Coplay — Saylor Cement Museum — 1894-1904 — Reported missing |
| 3 ► Pennsylvania, Lehigh County, Coplay — Discovery of Portland Cement — Saylor Cement Museum — |
| 4 ► Pennsylvania, Lehigh County, Coplay — First Cement — |
| 5 ► Pennsylvania, Lehigh County, Coplay — Last of Their Kind — |
| 6 ► Pennsylvania, Lehigh County, Coplay — Lehigh Valley Rock Suitable for Hydraulic Cement — Saylor Cement Museum — |
| 7 ► Pennsylvania, Lehigh County, Coplay — Safety Follows Wisdom — Portland Cement Association Safety Trophy — |
| 8 ► Pennsylvania, Lehigh County, Coplay — Safety Follows Wisdom — Portland Cement Association Safety Trophy — |
| 9 ► Pennsylvania, Lehigh County, Coplay — Saving the Kilns — |
| 10 ► Pennsylvania, Lehigh County, Coplay — Saylor Cement Kiln West 1 Preservation Project — |
| 11 ► Pennsylvania, Lehigh County, Coplay — Saylor Park-Welcome — David O. Saylor-The Father of Portland Cement Industry in America — 1827-1884 — |
| 12 ► Pennsylvania, Lehigh County, Coplay — The Schoefer Kilns — Saylor Cement Museum — |