Format:
iii, 16 p
,
ill., maps
,
28 cm
Series Statement:
Information circular 59
Note:
Ohio Valley Mineral Consortium"--Cover
,
Illinois State Geological Survey ... [et al.]"--Cover
,
Publication date: 2/97"--P. [3] of cover
,
Includes bibliographical references (p. 16)
Language:
English
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