TY - BOOK ED - Armco Drainage and Metal Products Inc. [from old catalog] ED - Armco Drainage Products Association. TI - Handbook of culvert and drainage practice: for the solution of surface and subsurface drainage problems AV - TE213 .A7 1948 U1 - 627.5 CY - Middletown, OH PB - Armco International Corp. KW - Culverts KW - Drainage N1 - Includes index; "A revision of Armco Drainage Products Association's Handbook of culvert and drainage practice." ER -