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The Pennyroyal Plateau or Pennyroyal Region, often spelled Pennyrile, [1] is a large physiographic region of Kentucky that features rolling hills, caves, and karst topography in general. It is named for Hedeoma pulegioides (the American pennyroyal), a wild mint that grows in the area.
This is a partial list of caves in the Peak District of England, arranged alphabetically. [1] [2] Most lie within the Peak District National Park. [3] [4] Eldon Hole Lathkill Head Cave Poole's Cavern Speedwell Cavern Thor's Cave. Some of the caves are protected Scheduled Monuments and are marked with * in the table below.
An embrasure (or crenel or crenelle; sometimes called gunhole in the domain of gunpowder-era architecture) is the opening in a battlement between two raised solid portions . Alternatively, an embrasure can be a space hollowed out throughout the thickness of a wall by the establishment of a bay .
The cave and 6.8 acres (28,000 m 2) encompassing the sinkhole and cave entrance are owned by a private conservancy organization.This organization is composed of volunteers who monitor the condition of the cave, remove garbage and graffiti, conduct research, and work with the police to deter people from gathering at the cave to drink, use drugs, vandalize, etc.
The 25-acre (10 ha) preserve protects Stay High Cave, which houses seven rare cave-dwelling invertebrate species, three of which are only known from the county's Sinking Creek Valley. More common species, such as salamanders , crickets , harvestmen , spiders , crayfish , and bats , also live within the cave's streams, riparian mud banks, and ...
Caving in a muddy section of Black Chasm Cave in California Stephens Gap, a vertical cave in Alabama. Caving, also known as spelunking (United States and Canada) and potholing (United Kingdom and Ireland), is the recreational pastime of exploring wild cave systems (as distinguished from show caves).
Natural Tunnel State Park is a Virginia state park, centered on the Natural Tunnel, a massive naturally formed cave that is so large it is used as a railroad tunnel.It is located in the Appalachian Mountains near Duffield in Scott County, Virginia.
The term originated in about the 14th century from the Old French word batailler, "to fortify with batailles" (fixed or movable turrets of defence). The word crenel derives from the ancient French cren (modern French cran), Latin crena, meaning a notch, mortice or other gap cut out often to receive another element or fixing; see also crenation.