“ In running and locating that part of the boundary the commissioners shall ascertain the exact location of all oil wells which are within 300 feet of the same and shall include a statement thereof in their report.
16. The work of the commissioners shall be subject in all its parts to the approval of the court. Copies of their reports shall be promptly delivered to the two states and the United States, and exceptions or objections thereto, if there be such, shall be presented to the court, or, if it be not in session, filed with the clerk, within 40 days after the report is made. ”

“ The area known as the Big Bend, which lies within a northerly bend of the river between a southerly extension of the east line of range thirteen west in Oklahoma and a southerly extension of the west line of range fourteen west in that state, has been since before 1821 fast upland on the southerly side of the river, is within the state of Texas and never was owned by the United States. The northerly border of that area is part of the south bank of the river on and along which the state boundary extends. ”

“ At exceptional places where there is no well defined cut bank, but only a gradual incline from the sand bed of the river to the upland, the boundary is a line over such incline conforming to the mean level of the waters when at other places in that vicinity they reach and wash the cut bank without overflowing it. ”