Maps Showing Distribution, Thickness, and Mass of Late Pleistocene and Holocene Tephra from Major Volcanoes in the Pacific Northwest of the United States 1:2,500,000

Authors=SHIPLEY Susan, SARNA-WOJCICKI A.M.

Journal/Book_names=Miscellaneous Field Studies Map MF-1435

pages=27p., 1 sheet

Publish_year=1983

Publisher=U.S. Geological Survey

Language_of_Text=EN

note=大きさ（66 × 87 cm） ; 矩形範囲情報（左下緯度 = 38.4, 左下経度 = -129.0333, 右上緯度 = 51.6333, 右上経度 = -105.0167）

ID=90015631