| Camera Maker | Canon | Camera Model | Canon EOS-1Ds Mark III |
| Aperture | f/8 | Exposure Value | 0 EV |
| Exposure Program | Manual | Exposure Time | 1/400 sec |
| Flash | No Flash | Focal Length | 59 mm |
| ISO | 100 | Metering Mode | Pattern |
| Date/Time | 2011:10:17 14:23:07 | 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 | Slateford Pennsylvania historic marker quarry PA attraction destination display education factory information landmark marker sign tourist attractive educating historical marker Historical Site Historical Sites industry info mine Northampton County Place of Interest Places of Interest quarry slate road side Road sign Roadside signage slate tour tourism tourist attraction Tourist Destination Tourist Destinations travel Travel Destination Travel Destinations United States appealing business no people rock sightseeing text United States of America attract history nobody sightsee stone word daytime destinations displays factories historic markers landmarks markers Jason O. Watson / historical-markers.org quarries signs tourists appeal color image educate historic outdoor vertical day historical markers mines quarry slates road sides slates tourist attractions tours colour image historical outside day time rocks US day-time stones USA words color images daylight outdoors U.S. verticals colour images natural light outsides U.S.A. historic site sign with text |
| Caption | SLATEFORD One of the first attempts to quarry slate in this country was made here at Slateford by a company chartered in 1808. Some of the quarries and slate factories in this vicinity were operated until 1917. Pennsylvania Historical and Museum Commission |