Robuta

https://www.usgs.gov/publications/heavy-mineral-reconnaissance-coast-apalachicola-river-delta-northwest-florida-a
Two-hundred-and-fifty sediment samples were collected for heavy-mineral and textural analysis along the northwest Florida coastline from approximately 24 km...
heavy mineralthe coastapalachicola riverreconnaissance
https://www.usgs.gov/publications/a-new-species-percina-perciformes-percidae-apalachicola-river-drainage-southeastern
Percina crypta, the Halloween Darter, is described as a new species endemic to the Chattahoochee and Flint River systems in Georgia and Alabama. Percina crypta...
a newfrom thespeciespercinaperciformes
https://www.usgs.gov/publications/wetland-hydrology-and-tree-distribution-apalachicola-river-flood-plain-florida
The Apalachicola River in northwest Florida is part of a three-State drainage basin encompassing 50,800 km 2 in Alabama, Georgia, and Florida. The river is...
apalachicola riverwetlandhydrologytreedistribution