Six thousand four hundred three photos were aerotriangulated to support the orthophotography production for Will County, Illinois. Digital aerial exposures, Airborne Global Positioning System (ABGPS) exposure station data, and ground check point data were provided by Aero-Metric. The project was referenced to the North American Datum of 1983 HARN, Illinois State Plane, North Zone and to the North American Vertical Datum of 1988 (NAVD88). The scale of the aerial imagery is 1:9156. The calibrated focal length for all photos is 120.000 mm. The dates of the photography are April 2, 5 & 14, 2004.
DOWNLOADS
| AREA |
SIZE |
Download |
| East Central of Will County |
1.4 GB |
link |
| North Central of Will County |
857.2 MB |
link |
| Northwest of Will County |
1.0 GB |
link |
| South Central of Will County |
1.1 GB |
link |
| Southwest of Will County |
1.3 GB |
link |
| West Central of Will County |
1.1 GB |
link |