80 STAT. ]
PUBLIC LAW 89-531-AUG. H, 1966
way face-to-face of abutments of the A.T. & S.F. Railway Bridge at Topock, Arizona; thence on a straight line downstream to "Point No. 4, which lies in the Colorado River vertically below the centerline of U.S. Highway 66 at a point where said centerline intersects the center of the center pier of the highway bridge; thence on a straight line to "Point No. 5, which lies in the Colorado River vertically below the center of the span of the gas line bridge owned by the El Paso Natural Gas Co. and the Pacific Gas and Electric Co., crossing the Colorado River at Topock, Arizona; thence downstream in a southerly direction through Havasu Lake along a line midway between the right and left shore lines of said lake as they exist at mean operating level (elevation 448.00 above Mean Sea Level) as controlled at Parker Dam to "Point No. 6, which is the center of the overflow section of Parker Dam across the Colorado River; thence downstream midway between the shore lines on the right and left banks of the Colorado River to "Point No. 7, which lies in the center of the Colorado River approximately 2,050 feet upstream from the earth fill of Headgate Rock Dam; thence on a straight line to "Point No. 8, which is the center of the earth fill of Headgate Rock Dam; thence on a straight line to "Point No. 9, which lies on the centerline of the river approximately 3,625 feet westerly from Point No. 8; thence on a straight line to "Point No. 10, which lies in the center of the Colorado River at a point where the parallel of 34° 10' north latitude intersects said centerline; thence on a straight line to "Point No. 11, which lies in the Colorado River vertically below the centerline of Arizona Highway No. 72 midway between the abutments of the highway bridge; thence down the Colorado River midway between the right and left shore lines across islands which may exist between those waterlines to "Point No. 12, which is at the center of the earth fill section of the Palo Verde Diversion Dam; thence down to the Colorado River midway between the shore lines on the right and left banks to "Point No. 13, which is vertically below the center of the centerspan of the highway bridge across the Colorado River at Ehrenberg, Arizona (U.S. Highway 60-70; thence down the Colorado River midway between the shore lines on the right and left banks to "Point No. 14, which is the center of the Cibola Bridge midway between abutments; thence down the Colorado River midway between the shore lines on the right and left banks, ignoring future channelization by the U.S. Bureau of Reclamation to "Point No. 15, which lies on the centerline of the Colorado River approximately 8,400 feet northward of the center of the overflow section of Imperial Dam; thence on a straight line to "Point No. 16, which is the center of the overflow section of Imperial Dam; thence on a straight line normal to the longitudinal axis of Imperial Dam to "Point No. 17, which lies at the intersection of the last described line with a line extending northeasterly from the center of the overflow section of Laguna Dam and normal to the longitudinal axis of the said Laguna Dam; thence southeasterly on a straight line to
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