00586nam a2200217Ia 4500001000700000003000500007005001700012008004100029010001500070035002000085040001800105050001500123082000800138100003300146245002400179260003600203300004000239504003000279650003300309650002600342121839BIBL20180323092150.0720823s1952    mauab    b    000 0 eng    a 52009597   a(OCoLC)00388019  aDLCcWSUdOCL0 aCB245b.W4  a90110aWebb, Walter Prescott2Local14aThe Great Frontier.  aBostonbHoughton Mifflinc1952.  axiii, 434 p.bmaps, diagrs.c23 cm.  aBibliography: p. 420-427. 0aCivilization, Western2Local 0aSocial history2Local