Details of Aerial Photograph Fly-Overs
1925 and 1926
- 1925:
- Size: 7” x 8-5/8”
- Scale: 1”=800’
- Creator: Underwood and Underwood
- Arrangement: numerical
- Overlap: 60%
- Number of photos: 291
- Dates: NA
- 1926:
- Size: 7-3/4” x 10”
- Scale: 1”=660’
- Creator: Airmap Corp. of America
- Arrangement: numerical
- Overlap: 60%
- Number of photos: 823
- Dates: NA
1940
- Size: 9” x 9”
- Scale: 1”=2000’
- Creator: Aero Service Corp.
- Arrangement: numerical
- Overlap: 5-1/2” out of 9”
- Number of photos: 131
- Dates: April 1940, November 1940, and December 1940
Not all numbers are used, since some are in Putnam County
1947
- Size: 9” x 9”
- Scale: 1”=1700”
- Creator: Fairchild Aerial Surveys, Inc.
- Arrangement: numerical
- Overlap: 5-1/2” out of 9”
- Number of photos: 361
- Dates: March and April 1947
1954
- Size: 18-1/2” x 18-1/2”
- Scale: 1”=2250’
- Creator: Photogrammetic Engineers, Inc.
- Arrangement: numerical
- Overlap: 60%
- Number of photos: 68
- Dates: NA
1960
- Size: 9” x 9” Also have a set 18” x 18” that is 9” x 9” scanned
- Scale: 1”= 1667’
- Creator: American Air Surveys, Inc.
- Arrangement: numerical
- Overlap: 60%
- Number of photos: 321
- Dates: November 1960
- Notes: scale for 18” versions is 1”=1666’
1965
- Size: 9” x 9”
- Scale: 1”=6500’
- Creator: none listed
- Arrangement: numerical
- Overlap: 5-1/2” out of 9”
- Number of photos: 27
- Dates: February 1965
1970
- Size: 9” x 9”
- Scale: 1”=2000’
- Creator: Raytheon Co.
- Arrangement: not evident
- Overlap: 5-1/2” out of 9”
- Number of photos: 148
- Dates: May 1970
1976
- Size: 9” x 9”
- Scale: 1”=800’
- Creator: Aerial Data Reduction Services, Inc.
- Arrangement: numerical
- Overlap: 60%
- Number of photos: 999
- Dates: March 1976
1980
- Size: 9” x 9”
- Scale: 1”=2000’
- Creator: Keystone Aerial Surveys, Inc.
- Arrangement: numerical
- Overlap: 60%
- Number of photos: 209
- Dates: March and April 1980
1986
- Size: 9” x 9”
- Scale: 1”=1000’
- Creator: Keystone Aerial Surveys, Inc.
- Arrangement: numerical
- Overlap: 5-1/2” out of 9”
- Number of photos: approx. 342
- Dates: March 1985
1990
- Size: 9” x 9”
- Scale: 1”=1000’
- Creator: Keystone Aerial Surveys, Inc.
- Arrangement: numerical keyed to grid
- Overlap: 5 ½” out of 9” (no to so)
- Number of photos: approx. 799
- Dates: Spring 1990
1995
- Size: 10” x 10”, image 9” x 9”
- Scale: 1”=1000’
- Creator: Photo Science, Inc.
- Arrangement: numerical
- Overlap: 5-1/2” out of 9”
- Number of photos: approx. 1480
- Dates: April 1995
Total photos: approx. 5,760 (13 sets of fly-overs).
Revised 6/12/07