Compare Characteristics of Aerial Photography

 

Photo Source Time Period Coverage Black & White (B&W) Natural Color Color Infrared (CIR) Season Scale / Resolution
FSA mid-1980s - present
  • 2010: statewide
  • 2009: statewide
  • 2008: statewide
  • 2006, 2005 and 2004: most of the state
  • 2003-04: statewide
  • pre2003: agricultural counties
N Y Y (2008) leaf-on (summer)
  • 2010; 2009, 2008, 2003-04 & 2002 digital: 1-meter resolution;
  • 2006, 2005, 2004 & 2001 digital: 2-meter resolution;
  • 35mm slides: one square mile section
SAIP 2009-2015; in progress 5 regional phases; planned to be statewide N Y Y leaf-off (spring) 0.5-meter resolution. Some buy-up areas are 1-foot.
NAPP 1991 - 92 statewide Y N Y leaf-off (spring) 1:40,000
1996 - 98 statewide Y N N leaf-on (summer) 1:40,000
NHAP 1980 - 87 statewide Y N Y leaf-off B&W: 1:80,000

CIR: 1:58,000

USGS topo 1940s - early 1980s most of state Y N N leaf-off 1:24,000
BRD since early 1990s Mississippi River, Twin Cities to Iowa N Y Y various various
1995-96 Voyageurs National Park N N Y leaf-on (fall) 1:15,840
APFO 1955 - present statewide Y some some various 1:6,000 - 1:80,000
DNR about once every 8 years forested counties N N Y leaf-on
(fall)
1:15,840
USGS/NGA 2012, 2008, 2006, 2004, 2002 Minneapolis - St. Paul (area covered varies) N Y N leaf-off (spring) 0.3-meter resolution (0.15-meter resolution for Ramsey Co. 2006)
Metro Council

2005

7-county Twin Cities metro Y Y Y leaf-off (spring) 1:20,000;
2-foot resolution

1997 and 2000

7-county Twin Cities metro Y N N leaf-off (spring) 1:40,000;
0.6-meter resolution

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