An unpublished collection of correspondence, reports, aerial photographs, maps and data re the hydrology and hydraulic control of the Peace-Athabasca Delta region. Includes not only request for proposal to carry out control but also proposal submitted by Gepac, Stanley & Associates Ltd. and subsequent meetings, discussions and contract signed. Covers ongoing progress of hydraulic constructions, cost over-run disagreements, hydrological problems, and implementation problems of the Peace/Athabasca Data Bank - Dec. 1971-July 1972.