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Federal
National Riparian Area Base Map
Department of Agriculture —
This imagery layer shows national riparian areas for the conterminous United States. Riparian areas are an important natural resource with high biological diversity.... -
Federal
Terrestrial Condition Assessment (TCA) Feral Pig Density (Map Service)
Department of Agriculture —
Data are derived from generalized linear models and model selection techniques using 129 estimates of population density of wild pigs (Sus scrofa) from 5 continents....