Denise Hudson, Steve Munroe, Steve Rice, Kate Watters, Vera Markgraf, Bill and Susan Ahearn, Sharon Anderson
USA, Arizona, Coconino County, Grand Canyon National Park, so-called Cladium Spring, in side drainage west of Bright Angel Creek, n of Ribbon Falls and opposite Wall Creek.
36.167733 -112.050569 NAD 83/84
12S 405514E 4003064N
1250 meters
4097ft
Riparian, pool/springs, Tapeats Sandstone/Shinumu Quartzite contact zone