(Kelly of the Clue Crew reports from inside Carlsbad Caverns Nat'l Park, New Mexico.)  Calcite formations called soda straws are precursors to these larger formations that grow from cave ceilings
[DOC] [TLE] Full text of "The Guadalupe Mountains Symposium: Proceedings of ... [PAR] National Park Service U.S. Department of the Interior Guadalupe Mountains ..... 
for the Guadalupe Mountains, as we look at all of the cave and karst formations in 
this area.