AZ vs. CA:04 California Exhibits, Vol. IV; Nos. 151-192

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Your attention is respectfully invited to your message dated February 2, 1912 (H. Doc. No. 504, 62d Cong., 2d sess.), transmitting data of the work of the Interior Department, in which will be found a detailed report of all work done prior to that date under the special appropriation of $1,000,000 made by Congress on June 25, 1910, for the protection of lands and property in the Imperial Valley, Cal., against the flood waters of the Colorado River, and also the report of the special advisory board convened by your direction, which report, dated June 7, 1911, contains a full statement of the physical and related facts concerning the lower Colorado River and its floods and the recommendations of the board as follows: We recommend that further work should be undertaken at once and in approximately the following order: (a) The levees north of Volcano Lake should be raised, strengthened, and extended. (b) The existing levees along the west bank of the Colorado River to the Abejas should be repaired and protected. For this purpose and to meet emergencies there should be immediately available the sum of at least $1,000,000. This provides only for temporary maintenance of levees and does not include the systematic revetment of the river banks. With the balance of the appropriation of $1,000,000 secured under the act of June 25, 1910, amounting to about $175,000, a part of this work (a and b) under the above recommendation has been completed since the date of your message of February 2, 1912. The levee north of Volcano Lake has been raised about Zy2 feet, strength-