Livingston, Burton E. 1875-1948. Further studies on the properties of unproductive soils. By Burton Edward Livingston, assisted by Charles A. Jensen, J.F. Breazeale, F.R. Pember, and J.J. Skinner. - Washington, Govt. print. off., 1907. - 71 p. VII pl. 23 cm. LCCN: agr07001924 Subjects--Topical Terms: Soils--Analysis. LC Class. No.: S591 / .A12 no. 36