KARST UNDERWATER RESEARCH – Explore, Document and Share! KUR Explore Document Share KUR is organized and operates as a 501c3 nonprofit organization dedicated to collecting and reporting valuable scientific information from underwater karst environments where scientists are unable to go and providing this information to the public for future generations to better understand and protect our unique natural resources READ MORE View our latest project updates New Madison and Manatee Maps M2 Firecracker Update Hardee Spring Update April 2024 Madison Beyond the Courtyard How It All Started. In 1993 with the approval of the city of Tampa Frank Richardson and Jeff Petersen began the Sulphur Springs cave diving exploration project on city property in Tampa FL. During negotiations with the city to begin exploration Jeff Petersen realized that land owners especially governmental bodies were more comfortable working with a formal company and much less so with individuals Read More Have A Question. 2024 Karst Underwater ResearchSite By Luchon Creative LLC.