00734cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040005400111042001200165050001800177100002300195245006700218260005600285300003200341504005100373650002300424651004000447999001700487gs 28000241 DLC20260227111332.0790117s1928    dcua     b    000 0 eng c  ags 28000241   a(OCoLC)4557759  aLibrary, U. S. Geological SurveycGATdOCoLCdDLC  apremarc00aHC106.3b.P351 aPayne, Henry Mace.10aNatural resources and national problems,cby Henry Mace Payne.  aWashington, D.C.,bAmerican Mining Congress,c1928.  avii, 63 p.btables.c20 cm.  aBibliographical references at end of chapters. 0aNatural resources. 0aUnited StatesxEconomic conditions.  c26649d26649