Problems of Imperial Valley and vicinity : letter from the Secretary of the Interior, transmitting pursuant to law a report by the director of the Reclamation Service on problems of Imperial Valley and vicinity with perspect to irrigation from the Colorado River, together with the proceedings of the conference on the construction of the Boulder Canyon Dam held at San Diego, Calif

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タイトル: "Problems of Imperial Valley and vicinity : letter from the Secretary of the Interior, transmitting pursuant to law a report by the director of the Reclamation Service on problems of Imperial Valley and vicinity with perspect to irrigation from the Colorado River, together with the proceedings of the conference on the construction of the Boulder Canyon Dam held at San Diego, Calif"

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"February 23 (calendar day, March 1), 1922.--Referred to the Committee on Irrigation and Reelamation"

"March 9 (calendar day, March 13), 1922.--Maps and illustrations ordered printed"

Some impression has vol. no. on added t.p