The data is mosaiced by county. The ortho-images are 1 Meter Natural Color. To determine the image acquisition date within each county, users must download the corresponding ESRI shapefiles that are located in each county folder.
The files are available for download via ftp:
Data Location: ftp://ftp.geostor.arkansas.gov/NAIP_Imagery/2013_NAIP/
To locate older collections of NAIP Imagery covering Arkansas use keyword "NAIP"
ArcGIS Services Location: http://gis.apfo.usda.gov/arcgis/services/ [browse to NAIP sub-folder]
Special recognition to Pam Cooper at the Little Rock, Natural Resource Conservation Service Office and Steve Walker at the Little Rock, Farm Services Agency Office for their coordination work and providing these files.