Access Illinois Historical Aerial Photography by County

Digital versions of ILHAP photographic paper prints are available as full resolution [TIFF format] or compressed [JPEG format] files.


        Please select the file format you would like to browse for each county collection.
         
  1938 - Adams   jpg  tif               1938 - Hardin   jpg  tif               1941 - Morgan   jpg  tif
  1938 - Alexander   jpg  tif               1941 - Henderson   jpg  tif               1940 - Moultrie   jpg  tif
  1938 - Bond   jpg  tif               1938 - Henry   jpg  tif               1939 - Ogle   jpg  tif
  1941 - Boone   jpg  tif               1940 - Iroquois   jpg  tif               1939 - Peoria   jpg  tif
  1938 - Brown   jpg  tif               1938 - Jackson   jpg  tif               1938 - Perry   jpg  tif
  1941 - Bureau   jpg  tif               1938 - Jasper   jpg  tif               1940 - Piatt   jpg  tif
  1940 - Calhoun   jpg  tif               1941 - Jefferson   jpg  tif               1939 - Pike   jpg  tif
  1939 - Carroll   jpg  tif               1941 - Jersey   jpg  tif               1938 - Pope   jpg  tif
  1938 - Cass   jpg  tif               1946/1947 - JoDaviess   jpg  tif               1938 - Pulaski   jpg  tif
  1940 - Champaign   jpg  tif               1938 - Johnson   jpg  tif               1939 - Putnam   jpg  tif
  1938 - Christian   jpg  tif               1939 - Kane   jpg  tif               1940 - Randolph   jpg  tif
  1938/1939 - Clark   jpg  tif               1939 - Kankakee   jpg  tif               1938 - Richland   jpg  tif
  1938 - Clay   jpg  tif               1939 - Kendall   jpg  tif               1938 - Rock Island   jpg  tif
  1938 - Clinton   jpg  tif               1940 - Knox   jpg  tif               1940 - St. Clair   jpg  tif
  1938/1939 - Coles   jpg  tif               1939 - Lake   jpg  tif               1938 - Saline   jpg  tif
  1938/1939 - Cook   jpg  tif               1939 - LaSalle   jpg  tif               1938/1939 - Sangamon   jpg  tif
  1939 - Crawford   jpg  tif               1938 - Lawrence   jpg  tif               1938 - Schuyler   jpg  tif
  1939 - Cumberland   jpg  tif               1939 - Lee   jpg  tif               1941 - Scott   jpg  tif
  1939 - DeKalb   jpg  tif               1940 - Livingston   jpg  tif               1938 - Shelby   jpg  tif
  1941 - DeWitt   jpg  tif               1940 - Logan   jpg  tif               1937/1938 - Stark   jpg  tif
  1940 - Douglas   jpg  tif               1941 - Macon   jpg  tif               1939 - Stephenson   jpg  tif
  1939 - DuPage   jpg  tif               1939 - Macoupin   jpg  tif               1939 - Tazewell   jpg  tif
  1938 - Edgar   jpg  tif               1941 - Madison   jpg  tif               1938 - Union   jpg  tif
  1941 - Edwards   jpg  tif               1938 - Marion   jpg  tif               1940 - Vermilion   jpg  tif
  1938 - Effingham   jpg  tif               1939 - Marshall   jpg  tif               1938 - Wabash   jpg  tif
  1938 - Fayette   jpg  tif               1939 - Mason   jpg  tif               1941 - Warren   jpg  tif
  1940 - Ford   jpg  tif               1938 - Massac   jpg  tif               1938 - Washington   jpg  tif
  1938 - Franklin   jpg  tif               1941 - McDonough   jpg  tif               1938 - Wayne   jpg  tif
  1938 - Fulton   jpg  tif               1939 - McHenry   jpg  tif               1938 - White   jpg  tif
  1938 - Gallatin   jpg  tif               1940 - McLean   jpg  tif               1939 - Whiteside   jpg  tif
  1937/1938 - Greene   jpg  tif               1939 - Menard   jpg  tif               1939 - Will   jpg  tif
  1940 - Grundy   jpg  tif               1938 - Mercer   jpg  tif               1938 - Williamson   jpg  tif
  1938 - Hamilton   jpg  tif               1940 - Monroe   jpg  tif               1939 - Winnebago   jpg  tif
  1938 - Hancock   jpg  tif               1939 - Montgomery   jpg  tif               1939 - Woodford   jpg  tif




Individual prints are organized in tables by county; table cells containing the files which best delineate the county boundary are highlighted in light blue. Flight lines for each county are oriented either west to east or north to south. Identical exposure numbers occur within a table because exposures are further classified in the file name by roll number.


Links for each scanned print are displayed in the county tables by exposure number; the shape of the county will be distorted in the flight line direction. Prints located well outside the county boundary were not scanned; refer to the adjacent county to obtain photographs of the subject area. Prints that are unavailable within a county boundary were missing from all known photograph collections at the time of scanning.


Reference indexes for each county are housed at the University of Illinois Map and Geography Library. These indexes are either hand-drawn representations of approximate print locations (line index), or photograph-mosaics of the prints flown for a single county (photo index). Compressed digital versions of these indexes are available for download or viewing on the Web Pages listed above. These indexes can be difficult to interpret. The majority of counties are depicted on one index sheet, but some counties are divided into multiple sheets.


Index data layers for each county are also offered in ESRI Shapefile format on the Web Pages listed above. These indexes contain record-level metadata for each photograph, including digital file name, flight line, county name, USDA county code, roll and exposure numbers, agency which contributed the original photographic paper print for scanning, date flown, time flown (if available), CD-ROM on which the original file is stored at the ISGS, and any additional notes.