To accompany the commissioners' joint report signed at Ottawa Aug. 15, 1924 upon the reestablishment of the boundary in accordance with the provisions of article III of the treaty signed at Washington April 11, 1908. Includes index sheet. (Incomplete set, missing sheets 10-27, 50.) Relief shown by contours and spot heights. Some sheets have insets. Sheets signed by His Britannic Majesty's Commissioner and the United States Commissioner.