1978 American Water Works Association (Denver, Colorado), 6 x 8 7/8 inches tall stapled paperbound, copiously illustrated with black-and-white charts and diagrams, some folding, vi, 41 pp. plus ten folding C-L diagrams. Slight rubbing and edgewear to covers, with a light mark to front cover where a label was removed. Former engineering company copy, with company stamps to verso of front cover, title page, blank rear free-endpaper and verso of rear cover. White label covering remains of removed bookplate on verso of front cover. Otherwise, a very good copy - clean, bright and unmarked - of this uncommon title.

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