Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
Black Shale Sunbury Shale Lower Mississippian Tener Mou Flickr
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Black Shale With Burrows Sunbury Shale Lower Mississippi Flickr
Black Shale With Burrows Sunbury Shale Lower Mississippi Flickr
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Black Shale With Burrow Sunbury Shale Lower Mississippia Flickr
Black Shale With Burrow Sunbury Shale Lower Mississippia Flickr
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Black Shale With Burrow Sunbury Shale Lower Mississippia Flickr
Black Shale With Burrow Sunbury Shale Lower Mississippia Flickr
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Sunbury Shale 1 Black Shale Sunbury Shale Middle Kinderh Flickr
Sunbury Shale 1 Black Shale Sunbury Shale Middle Kinderh Flickr
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Berea Sandstone Sunbury Shale Contact Tener Mountain Road Flickr
Berea Sandstone Sunbury Shale Contact Tener Mountain Road Flickr
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Shales Nada Member Borden Formation Lower Mississippian Flickr
Shales Nada Member Borden Formation Lower Mississippian Flickr
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Berea Sandstone Sunbury Shale Contact Tener Mountain Road Flickr
Berea Sandstone Sunbury Shale Contact Tener Mountain Road Flickr
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Black Shale With Burrows Sunbury Shale Lower Mississippi Flickr
Black Shale With Burrows Sunbury Shale Lower Mississippi Flickr
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Crystalline Vein In Black Mudshales Sunbury Shale Lower Mississippian
Crystalline Vein In Black Mudshales Sunbury Shale Lower Mississippian
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Fossil Burrows In Mudshale Sunbury Shale Lower Mississip Flickr
Fossil Burrows In Mudshale Sunbury Shale Lower Mississip Flickr
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Shales Nada Member Borden Formation Lower Mississippian Flickr
Shales Nada Member Borden Formation Lower Mississippian Flickr
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Fossil Burrows In Mudshale Top Of The Sunbury Shale Lower
Fossil Burrows In Mudshale Top Of The Sunbury Shale Lower
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Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
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Berea Sandstone Sunbury Shale Contact Tener Mountain Road Flickr
Berea Sandstone Sunbury Shale Contact Tener Mountain Road Flickr
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Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
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Berea Sandstone Sunbury Shale Contact Tener Mountain Road Flickr
Berea Sandstone Sunbury Shale Contact Tener Mountain Road Flickr
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Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
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Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
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Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
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Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
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Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
Maury Shale Lower Mississippian Burkesville West Rt 90 Flickr
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Sunbury Shale Lower Mississippian Ohio Usa Flickr
Sunbury Shale Lower Mississippian Ohio Usa Flickr
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Phosphatic Nodule Maury Shale Lower Mississippian Rt 6 Flickr
Phosphatic Nodule Maury Shale Lower Mississippian Rt 6 Flickr
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Permian Black Shales And Mass Extinctions The ‘great Dying By
Permian Black Shales And Mass Extinctions The ‘great Dying By
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