Page 229 - Petroleum Geology
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-5000
                                                          -6000
                        -  4700
                      feet
                                             - 5500
                   29523
                     0
                   29204
                     4
                                                                    I
                   29936
                     4
                   29211
                     0
                                                                       10500  feel   '\   1  ,6500  Fig. 9-19). (Reproduced from Gill,  1979,  the reefs of  north-western Michigan basin  (located in   to   0
                   29094   0                                           1000   1
                                                                       3500
                   27249   0                                           0
                                                           feel   200   100   0
                   28324   0                                 x17.5   level   no
                                                             exaggeration   sea   well   well   well   permit   well  9-21. Cross-sections through





               -NW-   0   27403   0   ,                      Vertical   Datum: mean   Dry   0   Oil   0   4   28324   p. 615, fig. 6.)


                     feet   -4700   - 5000   - 5500   I               -6500U   Fig.
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