01112cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040002800111050002200139051001500161100004200176245008200218260004800300300009400348490004100442500013800483500003000621500007200651504003200723650001400755700004800769999001700817gs 32000079 DLC20260227111336.0800611s1932    dcuabf   b   f001 0 eng    ags 32000079   a(OCoLC)6408311  aDLCcICharEdOCoLCdDLC00aQE75b.B9 no. 838  aTN911b.M31 aMansfield, George Rogers,d1875-1947.10aNitrate deposits of the United States,cby G.R. Mansfield and Leona Boardman.  aWashington,bU.S. Govt. Print. Off.,c1932.  avi, 107 p.bincl. illus., maps, tables, profiles, 11 pl. (part fold., incl. maps)c23 cm.0 aU.S. Geological survey. Bulletin 838  aAt head of title: United States Department of the Interior. Ray Lyman Wilbur, secretary, Geological survey. W.C. Mendenhall director.  aOne folded map in pocket.  a"United States Geological survey publications on nitrate."- p. 101.  aBibliographical foot-notes. 0aNitrates.1 aBoardman, Leona,d1894-1957,ejoint author.  c26950d26950