Hamilton, T.D., 1984, Surficial geologic map of Howard Pass Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 1677, 1 sheet, scale 1:250,000.
Maps & Other Oversized SheetsGeologic Map; Geology; Glacial; Related ASTAR Reference; Surficial; Surficial Geologic Map; Surficial Geology