01419cam a22003251  4500001001300000003000400013005001700017008004100034010001700075035001900092040003100111042001200142050002400154086001600178100004800194245021900242260004800461300010200509410005500611500006400666500004700730504003200777650004000809650001800849650006000867700003900927710003800966740007201004999001701076gs 32000076 DLC20260227111336.0780524s1932    dcubef       f001 0 eng    ags 32000076   a(OCoLC)3925073  aDLCcUSlWdISSdOCoLCdDLC  apremarc00aTN24.C6bB4 no. 1690 aI 19.16:1691 aBurbank, W. S.q(Wilbur Swett),d1898-1975.10aGeology and ore deposits of the Bonanza mining district, Colorado,cby W. S. Burbank; with a section on History and production, by Charles W. Henderson.  Prepared in cooperation with the Colorado metal mining fund.  aWashington,bU.S. Govt. Print. Off.,c1932.  aix, 166 p.bincl. plans, tables, diagrs.  35 pl. (part fold., incl. maps, plans, diagrs.)c29 cm.20aGeological Survey (U.S.).tProfessional paperv169  aAt head of title: United States Department of the Interior.  aMap, 2 plans and diagram folded in pocket.  aBibliographical foot-notes. 0aGeologyzColoradozSaguache County. 0aOre deposits. 0aMines and mineral resourceszColoradozSaguache County.1 aHenderson, Charles William,d1885-2 aColorado State Metal Mining Fund.0 aBonanza mining district, Colorado, Geology and ore deposits of the.  c26948d26948