Custom line types for your use.

• Alpha.zip contains a line type definition file with custom line types for every letter of the alphabet.
  
• Rick Morse has provided this information regarding the format of AutoCAD custom line types.
  This information may come in handy for work in translating DataCAD line types to AutoCAD.
  
• Roger Donaldson has donated this definition he uses to indicate Storm Sewers.
  
• Richard Mauser has provided a variety of line types and hatches. Line types include modified versions of PropLine, Section and Insulation as well as WWM, Zig Zag and various fencing types among others.