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NPS Form 10-900-a (Rev. 8-86) Wisconsin Word Processing Format (Approved 3/87) United States Department of the Interior National Park Service National Register of Historic Places Continuation Sheet Schooner-barge Pretoria Section _9 Page 22 Ashland County, WI Inches, H. C. 1962 The Great Lakes Wooden Shipbuilding Era. Inches, H. C. and Chester J. Partlow 1964 Great Lakes Driftwood: Schooner Scows. Inland Seas 20:289-294. Institute for Great Lakes Research (IGLR) 1888 Miscellaneous drawings, Hull 46 and others. American Shipbuilding Company and Predecessors, Naval Architectural Drawings, F. W. Wheeler & Co. Hulls 25-75 (Roll #3). Institute for Great Lakes Research, Perrysburg, Ohio. Microfilm. n.d. Vessel Data Master Sheets. Documents on file, Institute for Great Lakes Research, Perrysburg, Ohio. Jensen, John- O. n.d. "Oak Trees and Balance Sheets: James Davidson, Great Lakes Shipbuilder and Entrepreneur." forthcoming in the American Neptune. Keller, James M. 1984 The "Unholy" Apostles: Tales of Chequamegon Shipwrecks. Apostle Island Press, Bayfield. Kilar, Jeremy W. 1990 Michigan's Lumbertowns: Lumbermen and Laborers in Saginaw, Bay City, and Muskegon, 1870-1905. Wayne State University Press, Detroit. Labadie, C. Patrick 1989 Submerged Cultural Resources Survey: Pictured Rocks National Lakeshore. Southwest Cultural Resources Center Professional Papers No. 22, Santa Fe, New Mexico. Washington, D.C.; U.S. Government Printing Office. 1991 Personal communication.