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2007 National Agriculture Imagery Program

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Dataset Basics

The National Agriculture Imagery Program (NAIP) acquires imagery during the agricultural growing seasons in the continental U.S. The acquisition specifications for the Indiana 2007 NAIP imagery was a two meter ground sample distance (GSD) image that matches within 10 meters of reference ortho imagery. The imagery acquisition began July 2, 2007 and ended August 13, 2007. The FSA contractor used Leica ADS40 sensors to capture the imagery digitally.

NAIP imagery products are available either as quarter quad tiles in TIFF format or as compressed county mosaics (CCM) in MrSID format. The Farm Service Agency (FSA) created the compressed county mosaic product to provide timely information for the FSA compliance program. The FSA now considers each 2007 county mosaic from the ISDP archive to be a final product. Each county mosaic includes the full extent of an Indiana county, but also includes some surrounding black (no data) areas.

FSA released the 2007 NAIP GeoTiff imagery March, 2008.  The Indiana Geological Survey funded the data transfer of the GeoTIFF images to Indiana University and Indiana State Agencies.

File Formats

Each county image is archived in a .zip file which includes a MrSID image file (.sid), a MrSID world file (.sdw), an ESRI .aux file (for projection information), and a text file (.txt) file which describes the encoding process, coordinate information and other metadata information. 

County Mosaics
Coordinate System:  UTM, Zone 16 North, NAD83 
Pixel Resolution: 2-meter
Units: meters 
Target compression ratio: 15:1 
File format: MrSID MG3 (%7e 75 MB each)

Quarter Quadrangles
Coordinate System:  UTM, Zone 16 North, NAD83 
Pixel Resolution: 2-meter
Units: meters 
Compression ratio: uncompressed 
File format: GeoTiff (%7e 34 MB each)

Missing QuarterQuad Images

FSA’s contractor did not provide 14 NAIP 2007 quarter quad images as listed below.  Those areas in Lake, Marion and Martin Counties did not have digitized field boundaries and were not required for the project.  Those areas in Harrison, Switzerland, Wayne and Union Counties were on the edge of the state boundary. These image areas appear as black rectangles in the MrSID Lake, Marion and Martin county mosaics. The FSA 2007 Indiana NAIP vendor, North West Geomatics Ltd., collected imagery for these areas, but did not process.  To purchase the missing images directly from North West Geomatics Ltd , contact:

Fred Welter, President
North West Geomatics Ltd.  
#212 5438-11th Street NE
Calgary, Alberta T2E 7E9
Phone 403-539-9550

The following tiff images are not available for download.

fairhaven_ne_n2006.tif (n_3908418_ne_16_2_20060727.tif)
fort_knox_nw_n2006.tif (n_3708501_nw_16_2_20060727.tif)
highland_nw_n2007.tif  (n_4108729_nw_16_2_20070727.tif)
indianapolis_east_nw_n2007.tif  (n_3908616_nw_16_2_20070727.tif) 
indianapolis_east_sw_n2007.tif  (n_3908616_sw_16_2_20070727.tif) 
indianapolis_west_ne_n2007.tif   (n_3908615_ne_16_2_20070727.tif)
indianapolis_west_se_n2007.tif   (n_3908615_se_16_2_20070727.tif) 
indian_spring_nw_n2007.tif   (n_3808610_nw_16_2_20070727.tif) 
indian_spring_sw_n2007.tif   (n_3808610_sw_16_2_20070727.tif)
new_paris_ne_n2006.tif (n_3908410_ne_16_2_20060727.tif)
new_paris_se_n2006.tif (n_3908410_se_16_2_20060727.tif)
patriot_se_n2006.tif (n_3808410_se_16_2_20060727.tif)
whiting_se_n2007.tif  (n_4108721_se_16_2_20070727.tif) 
whiting_sw_n2007.tif  (n_4108721_sw_16_2_20070727.tif)