Geological Survey (USGS) on WLCI science needs and priorities and for reviewing the proposed 2018 USGS science activities and work plan. The authors also give thanks and acknowledgment to the Wyoming Game and Fish Department, the Wyoming Department of Agriculture, the Bureau of Land Management, the U.S. Fish and Wildlife Service, and other WLCI partners for supporting the USGS 2018 science efforts by meeting with our scientists to discuss science needs and priorities and for providing data and information about USGS study areas and WLCI monitoring efforts and conservation projects. The authors also wish to thank Jim Wasseen of the Wyoming Game and Fish Department, Rock Springs, Wyoming, and Benjamin Harms at the USGS Fort Collins Science Center in Colorado for their thorough reviews and informative suggestions and comments on this report.