A multidisciplinary education guide for grades 2-12 (with sections on "How to Adapt" for Preschool - 1st grade, home schools, youth groups, and nature centers)
Welcome to Crystal River National Wildlife Refuge! Mind your manners when monitoring the meandering mammals that mingle in our winter meeting grounds. In other words: join with the U.S. Fish and Wildlife Services and our partners here at Crystal...
Rivers and streams; Snorkeling; Underwater photography; Videography; Employees (USFWS);
U.S. Fish and Wildlife Service Videographer Ryan Hagerty uses specially designed equipment to obtain underwater footage of the Potomac River near Shepherd's Island.