Matches in DBpedia 2015-10 for { ?s ?p "Rushmore Cave is the closest show cave to Mount Rushmore National Memorial and contains a wide variety of natural formations. It is the 9th longest cave in South Dakota. It measures a distance of 3,652.6 feet (1,113.3 m).It was discovered in 1876 when a log flume that supplied water to mining operations in town of Hayward broke and spilled onto the side of the hill. As the water flowed down the hill it started flowing into a small hole in the hillside."@en }
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- Rushmore_Cave comment "Rushmore Cave is the closest show cave to Mount Rushmore National Memorial and contains a wide variety of natural formations. It is the 9th longest cave in South Dakota. It measures a distance of 3,652.6 feet (1,113.3 m).It was discovered in 1876 when a log flume that supplied water to mining operations in town of Hayward broke and spilled onto the side of the hill. As the water flowed down the hill it started flowing into a small hole in the hillside.".