TY  - BOOK
ED  - Armco Drainage Products Association. [from old catalog]
TI  - Handbook of culvert and drainage practice for the solution of surface and subsurface drainage problems..
U1  - 625.734 
PY  - 1938///
CY  - Middletown, OH
PB  - Armco Culvert Manufacturers Assoc.
KW  - Culverts
KW  - Drainage
KW  - Bridges
N1  - Leaves of coordinate paper (4 at end); "The engineers of the Armco international corporation, collaborating with the technical staff of the Armco culvert manufacturers association, have .. prepared this volum." --Pref; Includes bibliographical references and index
ER  -