00778cam a22002291 4500001001300000003000400013005001700017008004100034010001700075035002000092040004600112042001200158050001500170100003200185245007700217260007000294300004000364490008300404650001200487700003200499999001700531gs 12000268 DLC20260227111312.0900518s1909 iauae 000 0 eng c ags 12000268  a(OCoLC)21553036 aLibrary, U.S. Geol. SurveycTxUdTxUdDLC apremarc00aTD929b.M21 aMarston, Anson,d1864-1949.00aSewage disposal plants for private houses,cby A. Marston and F.M. Okey. a[Ames,bIowa State College Engineering Experiment Station]c1909. a44 p.billus., double plan.c22 cm.0 aIowa State College. Engineering Experiment Station. Bulletin,vvol. IV, no. VI 0aSewage.1 aOkey, F. M.,ejoint author. c25138d25138