| _ | usda | _ |
|---|---|---|
| Accuracy, Bias, and Improvements in Mapping Crops and Cropland across the United States Using the | usda | Cropland Data Layer |
| Detection of Multidecadal Changes in UVB and Total Ozone Concentrations over the Continental US with NASA TOMS Data and | usda | Ground-Based Measurements |
| Land Surface Phenologies and Seasonalities in the US Prairie Pothole Region Coupling AMSR Passive Microwave Data with the | usda | Cropland Data Layer |