DIN 21920-5:1994-11
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DIN 21920-5:1994-11

Mine plans - Petrography - Part 5: Hard coal mining

Summary

The document applies to the features of mining-specific mapping. It contains the required symbols, abbreviations, and terms to be used for symbolizing hardcoal and adjacent strata on large-scale mining-specific maps and plans as well as for macropetrological sections of seams.

Technical characteristics

Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 11/01/1994
Page Count 15
EAN ---
ISBN ---
Weight (in grams) ---
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