00797cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001800092040002300110042001200133050002300145100004900168245006800217260004400285300007100329490005700400650003400457830005900491999001700550gs 10000411 DLC20260227111310.0721110s1910    xx            000 0 eng    ags 10000411   a(OCoLC)492424  aDLCcOAUdTxUdDLC  apremarc00aQE105b.A16 no. 151 aBarrows, Harlan H.q(Harlan Harland),d1877-00aGeography of the middle Illinois valley,cby Harlan H. Barrows.  aUrbana,bUniversity of Illinois,c1910.  axii, 128 p.billus., 16 (i. e. 17) pl. (incl. map) diagrs.c24 cm.1 aIllinois. State geological survey.  Bulletinvno. 15 0aPhysical geographyzIllinois. 0aBulletin (Illinois State Geological Survey) ;vno. 15.  c24936d24936