01126cam a22002771i 4500001001300000003000400013005001700017008004100034010001700075035001900092040003100111042001200142050002200154086001600176100003900192245016500231260004900396300009000445410005700535504003100592650004100623650004300664650006100707650006300768999001700831gs 52000211 DLC20260227111359.0780309s1952 dcuabd b f000 0 eng  ags 52000211  a(OCoLC)3700406 aDLCcOClUdISSdOCoLCdDLC apremarc00aQE75b.P9 no. 2180 aI 19.16:2181 aRubey, William Walden,d1898-1974.00aGeology and mineral resources of the Hardin and Brussels quadrangles in Illinois. /cPrepared in cooperation with the Illinois State Geological Survey Division. aWashington :bU.S. Govt. Print. Off.,c1952. a179 p. :bill., maps (2 col., fold. in pocket) diagrs. (part fold.) tables. ;c29 cm.20aGeological Survey (U.S.).tProfessional paper ;v218 aBibliographical footnotes. 0aGeologyzIllinoiszHardin quadrangle 0aGeologyzIllinoiszBrussels quadrangle 0aMines and mineral resourceszIllinoiszHardin quadrangle 0aMines and mineral resourceszIllinoiszBrussels quadrangle c28662d28662