| Camera Maker | Canon | Camera Model | Canon EOS-1Ds Mark III |
| Aperture | f/5.6 | Color Space | Uncalibrated |
| Exposure Value | 0 EV | Exposure Program | Manual |
| Exposure Time | 1/100 sec | Flash | No Flash |
| Focal Length | 70 mm | ISO | 100 |
| Metering Mode | Pattern | Date/Time | 2010:03:11 12:25:56 |
| Copyright | © 2010 Jason O. Watson. All rights reserved. | Orientation | 1: Normal (0 deg) |
| Resolution Unit | Inch | X Resolution | 240 dots per ResolutionUnit |
| Y Resolution | 240 dots per ResolutionUnit | Compression | Jpeg Compression |
| Exposure Mode | 1 | Keywords | travel United States of America United States America USA US Pennsylvania PA Philadelphia County Philadelphia history historical historic historical marker famous landmark road side highway popular Place of Interest Places of Interest Tourist Attraction Tourist Attractions Tourist Destination Tourist Destinations Travel Destination Travel Destinations tour tourism tourist attraction destination Sign Signs American Day Daytime Historical Sites Vertical Education Historical Site Marker Markers Outdoor Outdoors Outside Road Road Signs Roadside Roadsign information display Meriwether Lewis Lewis & Clark expedition William Clark journey artifacts historic marker historic site no people nobody sign with text |
| Caption | Meriwether Lewis (1774-1809) With William Clark he led the transcontinental Lewis & Clark Expedition, 1803-1806. Lewis prepared for the journey & later deposited its significant specimens, journals, and other artifacts here in Philadelphia. Pennsylvania Historical and Museum Commission 2003 |