Home >Lehigh Valley Is Portland Cement Industry 39S Birthplace

lehigh valley is portland cement industry 39s birthplace

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. — — Map (db m29935) HM

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