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Related Subjects
The graph displays the other subjects mentioned on the same pages as the subject "Colonel Williamson's plan of wooden house and tower combined at Yaquina". If the same subject occurs on a page with "Colonel Williamson's plan of wooden house and tower combined at Yaquina" more than once, it appears closer to "Colonel Williamson's plan of wooden house and tower combined at Yaquina" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.