U.S. Geological Survey The BorderTransportationSystem will be crossing rivers, mountains, and all sorts of various terrain and building the system will require the help of U.S. Geological Survey and their professionals. "Changes to the natural world combined with growing human demands put our health and safety, national security, and economy at risk. We are focused on some of the most significant issues society faces, and our science is making a substantial contribution to the well-being of the Nation and the world. Learn more about the major topics our research covers and the programs focused on those topic." Ref: USGS The various companies and agencies involved in the BorderTransportationSystem will need to confer with the U.S. Geological Survey when setting the final routes for the system's highway and High-Speed Rail System. Index of ... Topographical Maps Transboundary Aquifer Assessment Program U.S. Geological Survey U.S. - Mexico Border - Field Coordinating Committee United States Geological Survey - Wikipedia