IS 7974 : Part 1 : 1976 Graphical symbols for use on detailed maps, plans and geological cross sections:Part 1 General rules of representation
| UDC 003.62 : 528.93 | MED 8 |
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| Reaffirmed 2023 |
1. SCOPE
Lays down the general rules for the representation of rocks and minerals on detailed maps, plans and geological cross sections.