00874cam a22002651i 4500001001300000003000400013005001700017008004100034010001700075035001900092040002600111043001200137050002200149051001700171082001100188100003200199245003800231260004900269300005100318410005700369500006300426504003100489650003400520650005400554gs 47000061 DLC20260227111352.0780406s1946    dcubdf   b   f000 0 eng    ags 47000061   a(OCoLC)3784710  aDLCcOClUdOCoLCdDLC  an-us-az00aQE75b.P9 no. 209  aQE86.A9bG48  a557.911 aGilluly, James,d1896-1980.14aThe Ajo mining district, Arizona.  aWashington :bU.S. Govt. Print. Off.,c1946.  avii, 112 p. :bplates, maps, diagrs. ;c29 cm.20aGeological Survey (U.S.).tProfessional paper ;v209  aPart of the illustrative matter is folded; part in pocket.  aBibliographical footnotes. 0aGeologyzArizonazPima County 0aMines and mineral resourceszArizonazPima County