01363cam a22003131  4500001001300000003000400013005001700017008004100034010001700075035001900092040003100111043001200142050002200154051001800176082001100194086001600205100004500221245014500266260004800411300007300459410005600532500004300588500019400631504003600825650004900861650005300910650006900963999001701032gs 56000111 DLC20260227111404.0780708s1955    dcuabd   b   f000 0 eng    ags 56000111   a(OCoLC)4032435  aDLCcOClUdISSdOCoLCdDLC  an-mx---00aQE75b.P9 no. 273  aQE203.C3bW47  a553.430 aI 19.16:2731 aWilson, Ivan F.q(Ivan Franklin),d1916-00aGeology and mineral deposits of the Boles copper district, Baja California, Mexico,cby Ivan F. Wilson in collaboratin with Victor S. Rocha.  aWashington,bU.S. Govt. Print. Off.,c1955.  avi, 134 p.billus., maps (part fold., col.) diagrs., tables.c29 cm.20aGeological Survey (U.S.).tProfessional paper,v273  aPart of illustrative matter in pocket.  aPrepared in cooperation with the Instituto Nacional para la Investigación de Recursos Minerales under the auspices of the Technical Cooperation Administration of the U. S. Dept. of State.  a"References cited": p. 128-132. 0aGeologyzMexicozBaja California (Peninsula) 0aCopper oreszMexicozBaja California (Peninsula) 0aMines and mineral resourceszMexicozBaja California (Peninsula)  c29040d29040