. . . "Contribution to Alaskan geology"@en . . "Geology of the eastern part of the Alaska Range and adjacent area"@en . . "Geology of the eastern part of the Alaska Range and adjacent area a contribution to Alaskan geology" . . . . "Geology of the eastern part of the Alaska Range and adjacent area : a summation of geological knowledge of the region, gained in more than forty years of exploration and investigation" . . . . . . . . . "Geology of the eastern part of the Alaska range and adjacent area" . "Alaska" . . "Geological Survey (U.S.)," . . . . "Geology." . . "Geology Alaska Alaska Range." . .