Context

Context of The All-American canal : report of the All-American canal board, Elwood Mead, W. W. Schlecht, C. E. Grunsky on a canal located entirely within the United States from the Colorado River at Laguna Dam into the Imperial Valley, California, July 22, 1919, together with the Report of the engineer in charge of surveys and examinations, Porter J. Preston, June 17, 1919
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