panhole

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Panhole — Example of panholes, which go by a variety of names, in Jura, France … Wikipedia
panhole — See solution pan … Lexicon of Cave and Karst Terminology
Waterfall — For other uses, see Waterfall (disambiguation). Angel Falls in Venezuela is the world s tallest waterfall at 979;m (3,212 ft) … Wikipedia
City of Rocks National Reserve — There is also City of Rocks State Park in New Mexico. City of Rocks National Reserve IUCN Category V (Protected Landscape/Seascape) … Wikipedia
solution pan — Shallow solution basin or closed depression formed on bare limestone, generally characterized by flat bottom and overhanging sides [10]. The initial form is a closed hollow created by a humus patch. It may have over hanging side walls and a … Lexicon of Cave and Karst Terminology

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