Show USE STATION ROOF TO A I ciuC CHICAGO oo Mirth th 12 Plans l-Plans Plans glans t to d c vert th the roof of the new union stat stal I Into a landing field for airplanes airplane Yo w we presented d to the Chicago go air board tod td by William J. J H. H Strong of the Americ 1 Association of Engineers Jf The roof will w have have- an area of t I liter orl r. r than two city blocks he said at plenty of room for low speed planes t tr tl land It would be particularly for the us use ue of mall planes plane he stated |