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by National Park Service; U.S. Department of the Interior
by Hubbard, J. Andrew; Studd, Sarah E.; Mcintyre, Cheryl L.; et al.
by Ali, Moez; Beaupre, Kristen; Bennetts, Robert E.; et al.
by Willia, Michael H.; U.s. Department of the Interior National Park Service
by Warner, Katy; National Park Service; U.S. Department of the Interior
by Patterson, Karen D.; National Park Service; U.S. Department of the Interior
by Haenraets, Jan; Coffin Brown, Margie; National Park Service; et al.