00917cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001800092040001600110042001200126050001700138110003700155245024900192260002100441300003100462500001700493650002100510650004800531710004100579740005500620agr20001757 DLC20260227110941.0740627s1920    xx            000 0 eng    aagr20001757   a(OCoLC)930933  aDLCcNdDLC  apremarc00aTS2149b.U552 aUnited States Grain Corporation.10aProceedings of conference of men engaged in grain dust explosion and fire prevention campaign,bconducted by United States Grain Corporation in cooperation with Bureau of Chemistry, United States Department of Agriculture ... April 22-24, 1920.  aNew York,c1920.  aii, 159 p.billus.c23 cm.  aCover title. 0aDust explosions. 0aGrain elevatorsxFires and fire prevention.1 aUnited States.bBureau of Chemistry.0 aGrain dust explosion and fire prevention campaign.