Spiral-bound
details (USA).(see also: Spiral-bound)
details (UK).(see also: Spiral-bound)
details (Germany).(see also: Spiralbindung)
details (Canada).(see also: Spiral-bound)
ISBN: 978-0-918334-01-5
ISBN-10: 0-918334-01-2
Water Resources Pubns · 1970