Trider, G. L.

Estimate of the capital and operating costs of sewage collection and treatment for municipalities in Nova Scotia / by G. L. Trider, P. Eng. Staff Engineer ; Under the direction of A. J. Crouse, P. Eng. Technical Director.  Halifax : Nova Scotia Water Resources Commission, 1971.  1 volume (unnumbered) : some fold. p. graph, tables ; 28 cm.