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Sandusky County |
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Bedrock-topography map: OF 214
Drift-thickness map: OF 216
General: V 1, pt. 1
Minerals: B 69
Oil and gas, "Big Lime" or deeper wells: OF 31
Quaternary geology: M 2; OF 292
Shore erosion and flooding: RI 115; Carter, Benson, and Guy, 1975
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