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Showing below up to 20 results in range #51 to #70.
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- (hist) Gulfian Series [1,801 bytes]
- (hist) Hegeler Till Member [1,840 bytes]
- (hist) Quaternary System [1,884 bytes]
- (hist) Levings Member [1,902 bytes]
- (hist) Trowbridge Coal Member [1,908 bytes]
- (hist) De Graff Coal Member [1,955 bytes]
- (hist) Mt. Carmel Sandstone Member [1,987 bytes]
- (hist) Carlinville Limestone Member [1,997 bytes]
- (hist) Reel Limestone Member [2,009 bytes]
- (hist) Vergennes Sandstone Member [2,015 bytes]
- (hist) Modern Soil [2,021 bytes]
- (hist) Clermont Shale Member [2,026 bytes]
- (hist) Effingham Limestone Member [2,029 bytes]
- (hist) Lake Creek Coal Member [2,036 bytes]
- (hist) Harmattan Till Member [2,038 bytes]
- (hist) Rendleman Oolite Bed [2,044 bytes]
- (hist) Willis Coal Member [2,045 bytes]
- (hist) Browning Sandstone Member [2,052 bytes]
- (hist) Mooseheart Member [2,056 bytes]
- (hist) Galatia Channel:Houchin Creek Coal [2,060 bytes]