Tyson Spring Cave

Tyson Spring Cave is a cave located in southeastern Minnesota's Fillmore County. The region is within the Driftless Area, a region noted for its karst topography, which includes caves and sinkholes. Tyson's cave is a solutional cave privately owned by the Minnesota Cave Preserve. It is known for the extinct ice-age bones found scattered throughout the cave rooms. The majority of this extensive cave is approximately 120 feet below the surface and is estimated to be 3.5–5 miles in length,[1] making it the 258th longest cave in the United States.[2]

  1. ^ "Tyson's Spring Cave". Minnesota Cave Preserve. Retrieved 17 March 2014.
  2. ^ Gulden, Bob. "USA Longest Caves". NSS Geo2. Archived from the original on April 21, 2006. Retrieved 17 March 2014.{{cite web}}: CS1 maint: unfit URL (link)