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Show Ihe llalrnl ( Ike (.Imidt, Tliohlghwtilouda, cirrus and clr-matrutus, clr-matrutus, riBO on nn avengo to n hdght of nearly 30,000 fott- Thu mid llo clouds Let p nt from ulnut lV,00d to 3,(100 feet nboo tbo nur-facoof nur-facoof Uio earth i tho lower clouds fulJom lower than 3,000 or liightr than 7,000 feet The cumulus ilouils flout with their loner eurfuco nt u hilght uf from 4,000 to 0,000 feet, whila thoir summiu froquoutly tx Undnpward tu a height of iu,0oo Tho tope) of tho Alpi aro often com plctily hiddci by dumb) of thu third ilass, w hllo thoau of Uio other chaws nro froquonlly nocn shooting up tho r-.ivlnen llku alicets of dniol.o. I'm-fiwior I'm-fiwior Mollcr took olwrvutions on "no cloud, tho Mrtictd diinenslont of ich wna uver J.700 foot "" |
