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Full-Text Articles in Earth Sciences
Martel's Routes In Mammoth Cave, Kentucky, 1912, Trevor R. Shaw
Martel's Routes In Mammoth Cave, Kentucky, 1912, Trevor R. Shaw
International Journal of Speleology
Martel’s own copy of the Hovey 1912 guidebook to Mammoth Cave has his routes marked faintly in pencil on the printed cave plans. These plans are reproduced here, with his routes indicated on them. He generally followed the four standard tourist routes which now included Kaemper’s 1908 discoveries to Violet City, but instead of visiting the Maelstrom he went to Hovey’s Cathedral and Gerta’s Grotto.
Tree-Mould Caves In Slovakia, Ludovít Gaál
Tree-Mould Caves In Slovakia, Ludovít Gaál
International Journal of Speleology
Four tube-shaped caves are described in this work, which origined in consequence of weathering the trees. Their length ranges from 5.8 to 17 m. All of them occur in neovolcanic rocks of Middle Slovakia, in epiclastic andesite conglomerates, breccias or in the tuffs. Some other caverns are close to the entrance of this caves, however they are inaccessible for a man. Thin rim of silicates (opal or chalcedony) occurs in some of them.