Bedrock Geologic Map of the Ashland and the Northern part of the Ironwood 30 * 60 Minute Quadrangles, Wisconsin and Michigan

Authors=CANNON W.F., WOODRUFF L.G., NICHOLSON S.W., HEDGMAN C.A.

Journal/Book_names=Miscellaneous Investigations Series, Map I-2566

pages=1 sheet

Publish_year=1996

Publisher=U.S. Geological Survey

Language_of_Text=EN

ISBN=0-607-86240-8

note=大きさ（148 × 104 cm） ; 矩形範囲情報（左下緯度 = 46.25, 左下経度 = -91, 右上緯度 = 47, 右上経度 = -90）

ID=90023680