The National Wildlife Refuge system is a vital resource for the protection and conservation of biodiversity and biological integrity in the United States. Surveys were conducted to determine the spatial and temporal patterns of fish. macroinvertebrate. and crayfish populations in two watersheds that encompass three refuges in southern Indiana. https://www.chiggate.com/us-topo-7-5-minute-map-for-cucharas-reservoir-co-for-sale/