Slotted underdrain systems
By: implemented and prepared by Thomas P. Courtney ; Office of Federal Highway Projects.
Contributors: United States. Federal Highway Administration. Offices of Research and Development.
Series: Implementation package ; 75-4; Implementation package -- FHWA-IP-75-4.
Publisher: Dept. of Transportation, Federal Highway Administration, Offices of Research and Development, Implementation Division
Published: 1975
Place of publication: Washington
Language: eng
Number of pages: 18
Subjects: Road drainage -- Testing.; Pipe -- Testing.
Notes: Process developed by James M. Ellis, Materials Engineer, Office of Federal Highway Projects.

Bibliography: p. 18.