Natural Entrance Tour 1. Tour usually available early May through late September. 2. Tour lasts: one hour and 15 minutes. 3. Distance walked: 1 2 mile, including above-ground walk to the cave entrance. Generally three st - Black Spring - Document - PDFSEARCH.IO

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	Natural Entrance Tour 1. Tour usually available early May through late September. 2. Tour lasts: one hour and 15 minutes. 3. Distance walked: 1/2 mile, including above-ground walk to the cave entrance. Generally three st Add to Reading List Document Date: 2011-10-25 18:18:35 Open Document File Size: 74,52 KB Share Result on Facebook Company Black Hills / / Facility Wind Cave visitor center / Memorial DayLabor Day / / IndustryTerm oil / chemicals / unnatural chemicals / chemical make-up / oil-laden asphalt / food / energy / / Organization National Park Service / Post Office / / Person Tom Bingham / Jesse Bingham / / Position ranger / / SocialTag Wind Cave National Park South Dakota Geography of the United States Boxwork Frostwork Cave Jewel Cave National Monument Mammoth Cave National Park Speleothems Black Hills

Natural Entrance Tour 1. Tour usually available early May through late September. 2. Tour lasts: one hour and 15 minutes. 3. Distance walked: 1/2 mile, including above-ground walk to the cave entrance. Generally three stAdd to Reading List