Sensitive, Threatened, and Endangered Species of Utah Colorado River: Law of the River. An overview of how Colorado River water is divided up. From the Utah Department of Natural Resources. Virgin River designated critical habitat for fish species recovery. USFWS, Jan.26, 2000. Two SW Utah plants proposed as Endangered species USFWS Press Release, April 12, 2000. Virgin River Spinedace Conservation Agreement Text of the Agreement VRSCA Attachment A Conservation Strategy VRSCA Conservation Actions Appendix A Native Species of the Virgin River Basin Tables and Figures Current and Historic Spinedace range Zion National Park Water Rights Settlement Agreement
