Approximately 902 sq mi / 577,243 acres.
Blount, Etowah, Jefferson, Marshall and Walker Counties AL.
Warrior Darter, Vermillion Darter, Watercress Darter, Rush Darter, Locust Fork Darter, Cahaba Shiner, Coal Darter.
Orangenacre Mucket, Alabama Spike (H)
, Delicate Spike (H)
, Alabama Moccasinshell (H)
, Coosa Moccasinshell (H)
, Dark Pigtoe (H)
, Triangular Kidneyshell (H)
Reptiles and Amphibians:
Black Warrior waterdog, Flattened musk Turtle.
Black Mudalia, Watercress Snail, Plicate Rocksnail.
(H) = Historic (species historically occurred in the SHU or SRRU but, it has either not been collected in a number of years, and may be considered extirpated, or the species could be present but there aren’t recent records to document its presence).
Ovate Clubshell, Upland Combshell, Triangular Kidneyshell, Alabama Moccasinshell, Orangenacre Mucket, Dark Pigtoe, Vermilion Darter.