Page 228 - Petroleum Geology
P. 228

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                                                                           no.  Fig.  9-20. Cross-sections through the reefs of north-western Michigan basin (located in Fig. 9-19). (Reproduced from Gill, 1979,
                                                                           permit

                                                                           well
                                                                           27868




                                                                                 fig. 5.)
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