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Bonfire Shelter is crescent-shaped when viewed from above ("plan view") with a wide "mouth" (opening) almost 300 feet (about 90 meters) across.Most of the shelter's mouth is blocked from view by a series of giant roof blocks, huge chunks of limestone that were once part of the shelter's roof.The entire geologic column, composed of complete strata systems, exists only in the diagrams drawn by geologists!Hundreds of locations are known where the order of the systems identified by geologists does not match the order of the geologic column.The exposed bones to his left at head level are part of Bone Bed 3 where the burning stops short of the shelter wall.

These islands were formed by multiple geological events.The ten strata systems that geologists use (Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, Cretaceous, and Tertiary) compose the "standard geologic column" and are claimed by many to contain the major proof of evolutionary theory.Several erroneous notions have been attached to the geologic column. The geologic column was constructed by geologists who, because of the weight of the evidence that they had found, were convinced of the truth of uniformitarian theory and organic evolution.Behind the fallen roof blocks, the floor of the shelter slopes toward the back or rear of the shelter, an unusual configuration.The floor of the shelter varies from less than 80 feet wide to more than 200 feet in the middle of the shelter.

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