Unknown2009-08-282009-08-2819432009-08-28http://hdl.handle.net/2263/11136Canoscan 80000f 6000DPI TIFF scanner used, edited using Photoshop v7.Sketch and diagram of sewage system, 1943, accompanying J.Walton Jameson report, January 1943.Sketch drawn with white ink on blue paper.Blue paperenComplies with rights as specified by the Collection AdministratorSeptic tankSewerPumpsFiltersText