Profiling bacterial diversity and taxonomic composition on speleothem surfaces in Kartchner Caverns, AZ. - Ortiz M; Neilson JW; Nelson WM; Legatzki A; Byrne A; Yu Y; Wing RA; Soderlund CA; Pryor BM; Pierson LS 3rd; Maier RM (Microbial ecology, 2013)