01969cam a22003731i 4500001001300000003000400013005001700017008004100034010001700075035001900092040002800111043001200139050002200151051002900173110002900202245013400231260004400365300006600409490001700475500057500492500002001067650004801087700005601135700004801191700003201239700004701271700003901318700004901357700003601406700003701442700005101479810004801530999001701578gs 09000198 DLC20260227111309.0790420s1909    dcuabf       f001 0 eng    ags 09000198   a(OCoLC)4879555  aDLCcICharEdOCoLCdDLC  an-us---00aQE75b.B9 no. 394  aTN23b.U75 1909cCopy 2.2 aGeological Survey (U.S.)10aPapers on the conservation of mineral resources /breprinted from Report of the National Conservation Commission, February, 1909.  aWashington :bGovt. Print. Off.,c1909.  a214 p. :bxii pl. (part. fold., incl. maps) diagrs. ;c24 cm.1 aBulletin 394  aContents.- Coal fields of the United States, by M.R. Campbell and E.W. Parker.- Estimates of future coal production, by H. Gannett.- The petroleum resources of the United States, by D.T. Day.- Natural-gas resources of the United States, by D.T. Day.- Peat resources of the United States, exclusive of Alaska, by C.A. Davis.- Iron ores of the United States, by C.W. Hayes.- Resources of the United States in gold, silver, copper, lead, and zinc, by W. Lindgren.- The phosphate deposits of the United States, by F.B. Van Horn.- Mineral resources of Alaska, by A.H. Brooks.  aIncludes index. 0aMines and mineral resourceszUnited States.1 aCampbell, Marius R.q(Marius Robinson),d1858-1940.1 aParker, Edward W.q(Edward Wheeler),d1860-1 aGannett, Henry,d1846-1914.1 aDay, David T.q(David Talbot),d1859-1925.1 aDavis, Charles Albert,d1861-1916.1 aHayes, C. W.q(Charles Willard),d1859-1916.1 aLindgren, Waldemar,d1860-1939.1 aVan Horn, Frank Benjamin,d1877-1 aBrooks, Alfred H.q(Alfred Hulse),d1871-1924.2 aGeological Survey (U.S.).tBulletin ;v394.  c24833d24833