Title
Contraction joint sealing systems, San Luis Drain, Central Valley Project : evaluation of cores containing preformed polysulfide rubber strips machine extruded polysulfide rubber sealant, and polyvinyl chloride plastic contraction joint forming waterstop / by Henry Johns.
Published
Denver, Colo. : U.S. Dept. of the Interior, Bureau of Reclamation, Office of Chief Engineer, [1970]