Ely Springs Dolomite  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Ordovician
 ....Ely Springs Dolomite
RTUtah
 California
 Nevada
SNMiddle and Upper Ordovician. Great Basin region of SE California, E Nevada and W Utah. Added to Thesaurus in 1989.