Show SAND AND GRAVEL PRODUCERS MEET CHICAGO Feb 12 Gie Give MS us cars was the cry of members of ot the National Association of or Sand and Gravel Producers ers era in convention here today The Tho acute shortage of or housing facUlties facilities ties in cities could be considerably bly My relieved If It the the- sand and gravel gravel- producers producers producers pro pro- could secure cars to move their materials B. B J J. Atwood chairman of or the arrangements committee of or the association association tion lion said Man Many buildings bulldis s are being beig held up be because because because be- be cause the car shortage has prevented the contractors from securing supplies of ot I sand and gravel Atwood said |