Big Muddy National Fish and Wildlife Refuge Big Muddy National Fish and Wildlife Refuge The Big Muddy National Fish and Wildlife Refuge was established in 1994, and has grown to over . Like pearls on a string, these acres are spread out as individual units along the Missouri River between Kansas City and St. Louis. These pearls of habitat benefit floodplain-dependent fish and wildlife species. The Big Muddy Refuge is planning to grow to by buying land from willing sellers who want to see their properties set aside for the benefit of wildlife and the enjoyment of all. The pre-development Missouri River as documented by Lewis and
Muddy River (Nevada) National Wildlife Refuge Complex. In another effort to help protect and preserve the fragile habitats in the Muddy Springs area, the Southern Nevada Water Authority (SNWA) and various environmental associations have organized an effort to conserve these species. The area was part of the Native American Paiute peoples homeland for centuries, with the Mojave to the south. "Moapa" is a Southern Paiute language word meaning "muddy"; although "Moapa River" was formerly the official name, local usage tended to translate the name, and it was made official in 1960. The Old Spanish Trail originally followed the Virgin River all the way