ARTICLE IV.
The farms, lands, and other property of every description belonging to the Puget's Sound Agricultural Company, on the north side of the Columbia River, shall be confirmed to the said company. In case, however, the situation of those farms and lands should be considered by the United States to be of public and political importance, and the United States Government should signify a desire to obtain possession of the whole, or of any part thereof, the property so required shall be transferred to the said Government, at a proper valuation, to be agreed upon between the parties.