Geological Literature Search (GEOLIS) (Geological Survey of Japan / AIST)
Authors=CROWELL Douglas L.
Journal/Book_names=Educational Leaflet, no.8, Coal
pages=1 sheet
Publish_year=1998
Publisher=State of Ohio, Ohio Department of Natural Resources, Division of Geological Survey
Language_of_Text=EN
note=大きさ（43 × 47 cm） ; 矩形範囲情報（左下緯度 = 38, 左下経度 = -84.7167, 右上緯度 = 42, 右上経度 = -80.5）
ID=90006710