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Strippable Coal Reserves of Illinois
David Lloyd Stevenson
Harold Bowen Willman
Harold Jay Gluskoter
Harold Wesley Jackman
Illinois State Geological Survey
James Edward Hackett
Keros Cartwright
M. E. Hopkins
T. K. Searight
Willis L. Busch
Jack Aaron Simon
John Chapman Frye
Roy John Helfinstine
其他書名
Part 5B, Mercer, Rock Island, Warren, and Parts of Henderson and Henry Counties
出版
Illinois State Geological Survey
, 1968
URL
http://books.google.com.hk/books?id=Be273XccP5wC&hl=&source=gbs_api