00942cam a22002771  4500001001300000003000400013005001700017008004100034010001700075035001900092040001700111042001200128050002300140082001500163100003300178245004800211260002100259300006700280490008900347500001700436500010000453500001800553500003700571650003900608999001700647gs 39000104 DLC20260227111344.0771001s1938    miubde        000 0 eng    ags 39000104   a(OCoLC)3309795  aDLCcUUdDLC  apremarc00aTN24.M5bA34 no. 4  a553/.097741 aRiggs, Calvin Harold,d1905-10aGeology of Allegan county,cby C. H. Riggs.  a[Lansing]c1938.  a29numb. 1.bincl. tables. 8 fold. maps, 5 fold. plans.c28 cm.0 aMichigan. Dept. of Conservation. Geological survey division. Progress report,vno. 4  acover-title.  aAt head of title: State of Michigan. Department of conservation ... Geological survey division.  aPhotoprinted.  aFolded maps and plans in pocket. 0aGeologyzMichiganzAllegan County.  c27526d27526