natural shaft

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• Natural Bridge Caverns — Location Comal County, Texas, U.S …   Wikipedia

• Shaft tomb — A shaft tomb or shaft grave is a type of burial structure formed from a deep and narrow shaft sunk into natural rock. Burials were then placed at the bottom. A related group of shaft and chamber tombs also incorporate a small room or rooms cut… …   Wikipedia

• Natural History (Pliny) — Naturalis Historia, 1669 edition, title page. The title at the top reads: Volume I of the Natural History of Gaius Plinius Secundus. The Natural History (Latin: Naturalis Historia) is an encyclopedia published circa AD 77–79 by Pliny the… …   Wikipedia

• natural well —    (Jamaican.) A vertical shaft in limestone, open to the surface and having water at the bottom; similar to a cenote [10].    Synonym: (Italian.) pozzo carsico …   Lexicon of Cave and Karst Terminology

• Warren's Shaft — is an archaeological feature in Jerusalem found by Charles Warren in the late 19th century. It runs from within the old city to a spot near the Gihon Spring, and after its 19th century discovery was thought to have been the centrepiece of the… …   Wikipedia

• Western Mexico shaft tomb tradition — The Western Mexico shaft tomb tradition or shaft tomb culture refers to a set of interlocked cultural traits found in the western Mexican states of Jalisco, Nayarit, and, to a lesser extent, Colima to its south, roughly dating to the period… …   Wikipedia

• Cliffs Natural Resources — Type Public (NYSE: CLF …   Wikipedia

• karst shaft —    A vertical or steeply sided natural opening a few tens to a few hundred meters deep, formed by solution or erosion of vertical or sub vertical fractures or fissures by down flowing surface water. Such a pit, formed from above, may connect with …   Lexicon of Cave and Karst Terminology

• Titan (cave) — Infobox Cave name = Titan photo = SpeedwellCavern.jpg caption = Speedwell Cavern which provided initial access to Titan location = Castleton depth = convert|141.5|m|ft|0|lk=on [http://www.hitchnhike.co.uk/pdc/cave guide peak titan.htm Peak… …   Wikipedia

• Speedwell Cavern — Infobox Cave name = Speedwell Cavern photo = SpeedwellCavern.jpg caption = Speedwell Cavern entrance location = Castleton, Derbyshire depth = length = coordinates = survey = survey electronic format = (which cave software is it in) discovery =… …   Wikipedia

• Predjama Castle — (also known as Predjamski Grad) is a Renaissance castle built within a cave mouth in southwestern Slovenia. It is approximately 11 kilometres from Postojna.History of the castleCastle was first mentioned in year 1274, then named Luegg, when… …   Wikipedia