00897cam a22002891 4500 gs 60000173 DLC 20260227111409.0 821018s1960 dcub b f000 0 eng c gs 60000173 (OCoLC)8871000 U.S. Geol. Survey. Libr. MsSM MsSM DLC premarc n-us--- QE75 .C5 no. 420 TD223 .S57 Skougstad, M.W. (Marvin Wilmer), 1918- Occurrence of strontium in natural water, by M.W. Skougstadt [sic] and C.A. Horr. Washington, 1960. iii, 6 p. map. 27cm. Geological Survey (U.S.). Circular, 420 Bibliography: p. 6. Strontium. Water Composition. Water-supply United States. Horr, C. Albert (Clarence Albert), 1922- 29433 29433