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"Section of a Limestone Cavern...A limestone hill, perforated by a cavern (b b) which communicates with the valley (v) by an opening (a). The bottom of the cavern is covered with ossiferous loam, above which lies a layer of stalagmite (d d), while stalactites hang from the roof, and by joining the floor separate the cavern into two chambers." -Geikie, 1893

Limestone Cavern

"Section of a Limestone Cavern...A limestone hill, perforated by a cavern (b b) which communicates with…

"Section of a Limestone Cavern with fallen-in roof and concealed entrance." -Geikie, 1893

Limestone Cavern

"Section of a Limestone Cavern with fallen-in roof and concealed entrance." -Geikie, 1893