00872cam a22002171  4500001001300000003000400013005001700017008004100034010001700075035001900092040002900111042001200140050002000152111002600172245025100198260004700449300003900496490002000535500008700555650001200642agr39000262 DLC20260227110957.0800116s1938    xxua         f000 0 eng    aagr39000262   a(OCoLC)5877966  aDLCcNSySU-FdOCoLCdDLC  apremarc00aQC921b.U6 19381 aU. S. Weather Bureau.10aCodes for cloud forms and states of the sky according to the international system of classification.bPrepared by the Weather bureau Committee on clouds and cloud forms:cIvan R. Tannehill, chairman, Horace R. Byers, Edgar B. Calvert [and others]  aWashington,bU.S. Govt. print off.,c1938.  aiv, 100 p.billus., diagr.c23 cm.0 aIts Circular S.  aAt head of title: W.B. no. 1249. U.S. Department of agriculture.   Weather bureau. 0aClouds.