A geographical sketch of that part of North America called Oregon : containing an account of the Indian title, the nature of a right of sovereignty, the first discoveries, climate and seasons, face of the country and mountains, natural divisions, physical appearance and soil of each, forests and vegetable productions, rivers, bays, &c., islands, &c., animals, the disposition of the Indians and the number and situation of their tribes, together with an essay on the advantages resulting from a settlement of the territory : to which is attached a new map of the country / by Hall J. Kelley.