Evans, James R. Xenotime mineralization in the southern Music Valley area, Riverside County, California. - San Francisco, 1964. - 24 p. illus. maps, diagrs., tables. 28 cm. Bibliography: p. 23-24. LCCN: gs 64000253 Subjects--Topical Terms: Geology--California--Riverside County.Radioactive substances--California--Riverside County.Rare earths--California--Riverside County.Xenotime--California--Riverside County. LC Class. No.: TN24.C2 / A33 no. 79