The Western Soundscape Archive recognizes the vital connection between places and their soundscapes. It features audio recordings of animals and environments throughout the western United States. The project's geographic focus includes eleven contiguous western states - Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington and Wyoming - as well as baseline sound monitoring in the Arctic National Wildlife Refuge in Alaska. These geographic boundaries were chosen to coincide with existing maps and data gathered by state and federal organizations. The Arctic National Wildlife Refuge is included to incorporate 60 hours of recordings made on the refuge in June of 2006 by an expedition funded in part by the University of Utah.The WSA typically features three types of recordings: individual species, ambient soundscapes and interviews. Individual "species cuts" are often relatively short recordings that are commonly used for species identification and call analysis. In most cases, the WSA focuses on terrestrial vertebrates, including amphibians, birds, mammals and reptiles. Ambient recordings, or "soundscapes" are usually longer recordings - up to an hour or more - that feature all of an area's sonic components together in concert. The National Park Service defines soundscape as "the total acoustic environment of an area."