00864cam a22002291 4500001001300000003000400013005001700017008004100034010001700075035001900092040001800111042001200129050001400141100004100155245017400196260004900370300004600419500005600465650002500521710003600546700005200582gs 06000451 DLC20260227111303.0781102s1868 paub 000 0 eng  ags 06000451  a(OCoLC)4340744 aDLCcIGKdDLC apremarc00aQE79b.L31 aLe Conte, John Lawrence,d1825-1883.10aNotes on the geology of the survey for the extension of the Union Pacific railway, E. D.,bfrom the Smoky Hill river, Kansas, to the Rio Grande.cBy John L. Le Conte ... aPhiladelphiab[Review printing house]c1868. a76 p.bfront. (fold. map) diagrs.c23 cm. a"Catalogue of rocks, by Dr. F. A. Genth": p. 69-76. 0aGeologyzWest (U.S.)2 aUnion Pacific Railroad Company.1 aGenth, F. A.q(Frederick Augustus),d1820-1893.