USDA NASS CropScape Mapping Tool – Direct Link
The Cropland Data Layer is a raster, geo-referenced, crop-specific land cover data layer created annually for the continental United States using moderate resolution satellite imagery and extensive agricultural ground truth.
WSDA Crop Mapping – Direct Link
WSDA has developed an agricultural land use geodatabase to assess the effects of agricultural production on Washington’s natural resources. The geodatabase can store, query, and manipulate geographic information and spatial data used to identify agriculture land use in state