""A Geographical Sketch of Oregon: Containing an Account of the Indian Title, Nature of a Right of Sovereignty, Climate and Seasons"" is a book written by Hall Jackson Kelley in 1830. The book provides a comprehensive overview of the geography, climate, and seasons of Oregon, as well as the Indian title and the nature of a right of sovereignty. Kelley's account of Oregon is based on his own observations and research, as well as the observations of...