USDA Historic Aerial Photography Online
Since 1955, the United States Department of Agriculture (USDA) has acquired high quality aerial photographs to support federal farm programs. Over the years, the USDA has photographed the vast majority of the nation and its territories at approximately seven-year intervals.
USDA’s Aerial Photography Field Office (APFO) aerial film libraries details. (PDF, 1 page, 28 KB)
How to Download National Agriculture Imagery Program (NAIP) maps. (PDF, 1 page, 71 KB)