Page:United States Statutes at Large Volume 80 Part 1.djvu/379

 80 STAT. ]

PUBLIC LAW 89.531-AUG. 11, 1966

stream from the centerline of the old U.S. Highway 80 bridge across the Colorado River; thence down the centerline of the Colorado River midway between the shore lines on the right and left banks to "Point No. 33, which is a point in the Colorado River vertically below the center of the new U.S. Highway 80 Bridge; thence down the centerline of the Colorado River midway between the shore lines on the right and left banks to "Point No. 34, which is the intersection of the centerline of the Colorado River and the International Boundary Line between California and the United Mexican States, which point is common to the boundaries of Arizona, the United Mexican States, and California. These points will be marked on existing bridges and dams and wiiere appropriate will be monumented. Between each of these points will be a number of subpoints not monumented. The total number of points and subpoints will approximate 234. The United States Coast and Geodetic Survey will locate the above mentioned 34 points on the boundary by precise geodetic surveys. The Coast and Geodetic Survey will locate the remaining approximately 200 unmonumented subpoints by precise photogrammetric methods and will provide a list of the geographic positions and state coordinate positions (transverse Mercator system for Arizona and Lambert system for California) of each of the 234 points on the boundary. The approximately 200 unmonumented subpoints will be identified on copies of the aerial photographs by the States of Arizona and California to define the boundary; the Coast and Geodetic Survey will then locate the point so identified by analytic aerotriangulation (photogrammetric methods). "When the survey and boundary description has been completed by the United States Coast and Geodetic Survey and the Boundary Commissions of Arizona and California have each certified that it is in conformity with the General Description of Boundary between Arizona and California set forth herein, it shall be attached hereto and marked Exhibit " A " and made a part hereof as though fully incorporated herein as the permanent description of the boundary between the states of Arizona and California. " ARTICLE III. RATIFICATION' AND ETFECTIVE DATE.

"This compact shall become operative when it has been ratified and approved by the legislatures of the states of Arizona and California, and approved by the Congress of the United States. "Executed in duplicate this 12th day of March, A.D., One Thousand Nine Hundred and Sixty-three, at Sacramento, California. "FOR THE STATE OF ARIZONA "WAYNE M. AKIN,

"Chairman of the Arizona Interstate Stream Commission, Chairman. "ROBERT W. PICKRELL,

"Attorney General, Member. "OBED M. LASSEN",

"State Land Commissioner, Member. "Attested: "HOWARD F. THOMPSON,

"Executive Secretary, Colorado River Boundary Commission of Arizona.

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