July 20-22, 2012- Greater Cincinnati Grotto is putting the “Karst” back into Karst-O-Rama for our 20th year at Great Saltpetre Cave Preserve in Mt. Vernon, KY! Registration is limited to NSS/Grotto members only with the option to sponsor up to a total of three (3) non-member guests. Cave trips and many family-friendly activities. Website: karstorama.com and like us on facebook for updates.