Portland Cement
historic site
- Inscription
- This industry was born in \ the Lehigh Valley. David O. \ Saylor firt 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.
- 26.2 mi off the Delaware River Valley
- 26.8 mi off the Warren Heritage Scenic Byway
- 29.2 mi off the Delaware River Scenic BywayNational
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:07 | 18:39 | 19:15 |
| June solstice | 05:33 | 19:56 | 20:37 |
| September equinox | 06:51 | 18:25 | 19:01 |
| December solstice | 07:23 | 15:56 | 16:39 |
Local time (America/New_York).
40.58672, -75.61483
Elevation 135 m (modelled from terrain)