Pearl Hot Springs are located in Sec. 25,TIS, R40E and had a reported temperature of 36.7°C on January 19, 1967 (University of Nevada, DRI, Center for Water Resources Research data). These are probably the springs referred to by Spurr (1906) as issuing from the east side of the playa across Clayton Valley from the Silver Peak Hot Springs. A major north-northeast-striking fault may run through the site of the springs (see Albers and Stewart, 1972, plate 1). Trexler, Koenig, Flynn, and others (1981; Table E2) reported that the springs were dry