Deze gegevens zijn samengevoegd met United States Geological Survey.
United States Geological Survey.
Auteur van Man against Volcano: The Eruption on Heimaey, Vestmann Islands, Iceland.
Werken van United States Geological Survey.
Morphology and Hydrology of a Glacial Stream - White River, Mount Rainier Washington, 1963, Geological Survey… (1963) 1 exemplaar
Physiographic and Hydraulic Studies of Rivers, 1961, 1961, Geological Survey Professional Paper, P422. (1961) 1 exemplaar