| Camera Maker | Canon | Camera Model | Canon EOS-1Ds Mark III |
| Aperture | f/2.8 | Exposure Value | 0 EV |
| Exposure Program | Manual | Exposure Time | 1/2500 sec |
| Flash | No Flash | Focal Length | 62 mm |
| ISO | 100 | Metering Mode | Pattern |
| Date/Time | 2011:10:17 14:54:39 | Resolution Unit | Inch |
| X Resolution | 240 dots per ResolutionUnit | Y Resolution | 240 dots per ResolutionUnit |
| Compression | Jpeg Compression | Exposure Mode | 1 |
| Subject Distance | 3.19 | Keywords | Portland Cement historic marker Pennsylvania PA attraction destination display education information landmark marker sign tourist attractive educating historical marker Historical Site Historical Sites info Northampton County Place of Interest Places of Interest road side Road sign Roadside signage tour tourism tourist attraction Tourist Destination Tourist Destinations travel Travel Destination Travel Destinations United States appealing no people sightseeing text United States of America attract history nobody sightsee word daytime destinations displays historic markers landmarks markers signs tourists appeal color image educate historic outdoor vertical Jason O. Watson / historical-markers.org Coplay day historical markers road sides rotary kiln process tourist attractions tours colour image historical outside day time US day-time USA words color images daylight outdoors U.S. verticals colour images natural light outsides U.S.A. historic site sign with text |
| Caption | PORTLAND CEMENT 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. Pennsylvania Historical and Museum Commission |