IS 13230 : 1992 Graphical symbols for use on mine plans

1 Scope

This standard lays down the graphical symbols for use on mineplans required to be maintained by mine management under statutoryrequirements.

2 References

IS 696 : 1972Code of practice for general engineering drawings

IS 788 : 1971Ink, drawing, waterproof, coloured

IS 789 : 1971Ink, drawing, waterproof, black

IS 1064 : 1961 Papersizes