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Our Natural Resources
Gilbert Haven Cady
J. H. Melvin
John Frederick Hall
Mildred Fisher Marple
Morris Morgan Leighton
Myron Thomas Sturgeon
Pauline Smyth
Raymond Ellwood Lamborn
Wilber Stout
William Henking Smith
Russell A. Brant
Walter Converse Brown
William Meredith Merrill
Ohio. Division of Geological Survey
Marian S. Klein
其他書名
Their Continuing Discovery and Human Progress
出版
State of Ohio, Department of Natural Resources, Division of Geological Survey
, 1956
URL
http://books.google.com.hk/books?id=_cGzwmSFo24C&hl=&source=gbs_api