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Historical Aerial Photography for DeKalb County, Illinois - MrSID Format

ILHAP County Code: BWR
Flightline Orientation: West to East
Number of Flightlines: 19
Year of Photography: 1939


Photo Index:
DeKalb N (5.2 Mb), DeKalb S (5.1 Mb)

Index Data: dekalb.zip (coming soon)

Target Compression Ratio: 6:1
  • Highlighted table cells indicate files that best delineate the county boundary.
  • The shape of the county is distorted in the flight line direction.
  • Links are displayed by exposure number.
  • File names include codes for county, roll number, and exposure number.

Flightline West to East
N

to

S

1 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 25 24  
2 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43  
3 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44  
4 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69
5 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66
6 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49  
7 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1  
8   26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48  
9 88 87 86 85 84 83 82 81 80 79 78 77 76 75 40 39 38 37 36 35 34 33 32 31 30 29  
10   49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71  
11   48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25  
12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24  
13 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49  
14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1  
15   25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48  
16 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1  
17 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48  
18 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47  
19 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1