Map of Dilworth, Charlotte...showing sanitary conditions within a radius of three quarters of a mile of the source of the Dilworth water supply. Drawn by G. H. Sargent. Scale: 1=235’; 36 x 38. 1909. Key to electric tracks, sewer lines, private drains, man holes, flush tanks, piles of manure, stables & barns, closets, and pig pens.