Okla. Admin. Code § 252:517-5-8
For a new CCR unit, or expansion of the permit boundary of an existing CCR unit, a statement from the Oklahoma Department of Wildlife Conservation (ODWC) and from the Oklahoma Biological Survey (OBS), shall be submitted regarding current information about endangered or threatened wildlife or plant species listed in state and federal laws, that exist within one mile of the permit boundary or expansion area.
Added at 33 Ok Reg 1469, eff 9-15-16