01275nam 2200361I 450 991070710090332120180627140842.0(CKB)5470000002460474(OCoLC)1034010146(EXLCZ)99547000000246047420180504d1950 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierImprovements in methods for preparing thin sections of rock /Harold L. Gibbs and LaMar G. Evans[Washington, D.C.] :United States Department of the Interior, Bureau of Mines,1950.1 online resource (6 pages) illustrationsReport of investigations / United States Department of the Interior, Bureau of Mines ;4711"June 1950."Includes bibliographical references.Thin sections (Geology)Thin sections (Geology)Gibbs H. L(Harold L.),1420604Evans LaMar G.United States.Bureau of Mines,GPOGPOBOOK9910707100903321Improvements in methods for preparing thin sections of rock3539130UNINA