Found in articles
lente) Saguaro National Park Page Arhivat în 11 octombrie 2014, la Wayback Machine. Sonoran desert (World Wildlife Fund) South Mountain Park / Preserve Arhivat
vampir (vampire bat), etc. Big Bend National Park Carlsbad Caverns National Park Guadalupe Mountains National Park Lechuguilla Desert List of deserts by
râuri din Marele Bazin (List of rivers in the Great Basin) Great Basin National Park USGS: Geologic Provinces of the United States: Basin and Range Province
(50): 10–13. ^ Mousavi, M. (2010). „Survey of Caracal caracal in Kavir National Park in Iran”. Journal of Environmental Research and Development. 4 (3):
) ^ "USGS National Elevation Dataset (NED) 1 meter Downloadable Data Collection from The National Map 3D Elevation Program (3DEP) – National Geospatial