Ecological survey of Olovalu Crater, Island of Tutuila, American Samoa
Morris DK. 1970. Ecological survey of Olovalu Crater, Island of Tutuila, American Samoa. National Park Services. Honolulu, HI
Summary of a study on the ecological values of Olovalu Crater on the island of Tutuila, American conducted from July 6-14, 1970.