Date Acquired

Source

Image Format

Scale

RMS Error (m)

21-Oct-1950

USDA-NRCS

Black-and-White

1:1320

0.57

16-May-1960

USGS-EROS

Black-and-White

1:60,000

0.81

22-Mar-1969

USGS-EROS

Black-and-White

1:24,000

1.62

29-Apr-1977

USGS-EROS

Black-and-White

1:80,000

1.06

20-Sep-1979

USDA-NRCS

Black-and-White

1:1320

1.22

9-Apr-1988

USGS-EROS

Infrared

1:40,000

1.50

15-Mar-1995

USGS-EROS

Black-and-White

1:12,000

1.35

1-Apr-2001

Erie County Auditor Office

Black-and-White

1:12,000

0.45

3-Jan-2015

OGRIP

DOQQ

Base Image