IS Title/आईएस शीर्षक:
Symbols and Abbreviations for Use in Geological Maps, Sections and Subsurface Exploratory Logs Part 1 Abbrevations (first revision)
Superseding IS/सुपरसीडिंग आईएस:
IS 7422 : Part 1 : 1974
Degree of Equivalence/समतुल्यता स्तर:
Indigenous
Number of Revisions/पुनरीक्षणों की संख्या:
1
Number of Amendments/संशोधनों की संख्या:
No amendment issued