Volcanic Rocks and Unconsolidated Deposits formed at Mount St. Helens During the Last 4,500 Years 1:250,000

Authors=Dwight Raymond Crandell, Donal Ray Mullineaux

Journal/Book_names=U.S. Geological Survey, Bulletin

number=1383-C, Plate 1

pages=1 sheet

Publish_year=1978

Publisher=U.S. Geological Survey

Language_of_Text=EN

note=U.S. Geological Survey, Bulletin 1383-C の付図 ; 大きさ（38 × 57 cm） ; 矩形範囲情報（左下緯度 = 45.75, 左下経度 = -123, 右上緯度 = 46.4667, 右上経度 = -121.8333）

ID=90010284