00810cam a22002411 4500 gs 54000310 DLC 20260227111402.0 780826s1954 dcu b f000 0 eng gs 54000310 (OCoLC)4171004 DLC OClU OCoLC DLC premarc QE75 .B9 no. 1018 Harris, Robert A. Bibliography of the geology of the western phosphate field, by Robert A. Harris, David F. Davidson, and Bertha P. Arnold. Washington, U.S. Govt. Print. Off., 1954. iii, 89 p. 24 cm. Geological Survey (U.S.). Bulletin, 1018 Geology West (U.S.) Bibliography. Phosphates West (U.S.) Bibliography. Western Phosphate field. 28911 28911