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