The Historical Aerial Photograph Collection of Westchester County

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

 

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