Endangered and Threatened Wildlife and Plants - Designation of Critical Habitat for Tumbling Creek Cavesnail (US Fish and Wildlife Service Regulation) (FWS) (2018 Edition) The Law Library presents the complete text of the Endangered and Threatened Wildlife and Plants - Designation of Critical Habitat for Tumbling Creek Cavesnail (US Fish and Wildlife Service Regulation) (FWS) (2018 Edition). Updated as of May 29, 2018 We, the U.S. Fish and Wildlife Service (Service), designate critical habitat for the Tumbling Creek cavesnail (Antrobia culveri) under the Endangered Species Act of 1973, as amended (Act). In total, approximately 25 acres (10.25 hectares) located in Taney County, Missouri, fall within the boundaries of the critical habitat designation. This book contains: - The complete text of the Endangered and Threatened Wildlife and Plants - Designation of Critical Habitat for Tumbling Creek Cavesnail (US Fish and Wildlife Service Regulation) (FWS) (2018 Edition) - A table of contents with the page number of each section