Show Railroads File Suit Against Grain Rates CHICAGO April 30 A P-A P A suit was on file We to today in the United States district court seeking to enjoin the interstate commerce commission from rom putting into effect new rates on grain and grain products scheduled to o become effective e June 1 1 It was rued lied in behalf of till all class one carriers in 10 the western district Declaring that the new rates would cause ause them an average loss of 10 per percent percent cent ent the petition estimated the loss losso to o all railroads at Among the he railroads named are the Atchison Atchi Atchi- son Topeka ds Santa Fe Fc railroad which has estimated its probable loss under the new rates at and the he Chicago Rock Island dr Pacific which estimates its probable probable proba ble loss at |