Direct link:
http://digitallibrary.utah.gov/awweb/guest2.jsp?cl=all_lib&isPartOf=Endangered+Species (aka http://go.usa.gov/GGC9)
Endangered Species Bulletin: https://www.fws.gov/endangered/news/bulletin.html
USFWS Utah Endangered Species office
Utah Endangered & Threatened Species List (pdf)
Utah Endangered & Threatened Species (county map)
USFWS National Digital Library Threatened and Endangered Species
USFWS Mountain-Prairie Endangered Species Reports
USFWS Mountain-Prairie Species Reports