00778cam a22002291 4500 gs 12000268 DLC 20260227111312.0 900518s1909 iauae 000 0 eng c gs 12000268 (OCoLC)21553036 Library, U.S. Geol. Survey TxU TxU DLC premarc TD929 .M2 Marston, Anson, 1864-1949. Sewage disposal plants for private houses, by A. Marston and F.M. Okey. [Ames, Iowa State College Engineering Experiment Station] 1909. 44 p. illus., double plan. 22 cm. Iowa State College. Engineering Experiment Station. Bulletin, vol. IV, no. VI Sewage. Okey, F. M., joint author. 25138 25138