Portland Cement
Inscription
This industry was born in the Lehigh Valley. David O. Saylor first made portland cement at Coplay in 1871. Here also was the first use of the rotary kiln process commercially Nov. 8, 1889. This region has continued to lead in the industry.
Location
AddressBath Pike Rd. (PA 248) & Christian Spgs. Rd.
CountyNorthampton
StatePennsylvania
Coordinates40.734170, -75.336720
Sources
More markers in Northampton
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