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50 pp. Maps, tables, figures, illus. Published February, 2008. Captured September 22, 2009.
51 pp. Map, chart, tables, appendices. Published July 30, 2001. Captured August 28, 2009.
66 pp. Bookmarks supplied by UO. Maps, charts, tables, illus., appendices. Published June, 2004. Captured August 31, 2009.
81 pp. Maps, charts, tables. Published April 14, 2004. Captured September 1, 2009.
42 pp. Map, tables. Published August, 2003. Captured September 1, 2009.
70 pp. Bookmarks supplied by UO. Tables, appendices, illus. Published June, 2007. Captured September 3, 2009.
59 pp. Bookmarks supplied by UO. Maps, tables, illus., appendices. Published May, 2003. Captured August 24, 2009.