River, one mile below the Bute [Butteville]; thence in a direct course due west to the Pacific Ocean." (General and Special Laws of 1843-9, Page 36).
December 11, 1846, the division line between Yamhill and Twality Districts was again changed to be as follows: "Commencing at a point on the northwest bank of the Willamette River, opposite the mouth of Pudding River, and run thence in a northwest direction on the top of the main ridge dividing the waters of the Tuality River from the waters which flow into Chehalem Valley, and thence along on the dividing ridge near Jesse Cayton's, in a straight line to the top of the dividing ridge between the waters of the Rivers of Yamhill and Tuality, to the top of the Mountain between said rivers, thence west to the Pacific Ocean." (General and Special Laws of 1843-9, page 7).
December 19, 1845, the dividing line between Champooick and Clackamas Districts was changed to be as follows: "Commencing one mile below the Bute [Butteville], in the middle of the main channel of the Willamette River, thence in a due east course to the summit of the Rocky Mountains." (General and Special Laws of 1843-9, page 36).
By the Report of the Legislative Committee of the Provisional Government under which the first four Districts were created it was uncertain as to whether any part of the Willamette River was included in either of these Districts. By the Act of December 19, 1845, the middle of the main channel of the Willamette River was made the dividing line between Twality and Clackamas Districts and between Champooick and Yamhill Districts. (General and Special Laws of 1843-9, page 36).
June 27, 1844, the Provisional Legislature passed an Act "that all those parts of any Counties heretofore organized which lie north of the Columbia river be and they are hereby stricken off respectively, and that the said river shall constitute the northern boundary of said Counties respectively." (General and Special Laws of 1843-9, page 74). This law,
