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Graphical symbols for use on detailed maps, plans and geological cross-sections — Part 3: Representation of magmatic rocks
90.60 Close of review
Graphical symbols for use on detailed maps, plans and geological cross-sections — Part 4: Representation of metamorphic rocks
90.60 Close of review
Graphical symbols for use on detailed maps, plans and geological cross-sections — Part 5: Representation of minerals
90.60 Close of review
Graphical symbols for use on detailed maps, plans and geological cross-sections — Part 6: Representation of contact rocks and rocks which have undergone metasomatic, pneumatolytic or hydrothermal transformation or transformation by weathering
90.60 Close of review
Graphical symbols for use on detailed maps, plans and geological cross-sections — Part 7: Tectonic symbols
90.60 Close of review
Hydrometric determinations — Geophysical logging of boreholes for hydrogeological purposes — Considerations and guidelines for making measurements
90.93 Standard confirmed
Hydrometry — Groundwater — Surface geophysical surveys for hydrogeological purposes
60.60 Standard published
Hydrometry — Measuring the water level in a well using automated pressure transducer methods
90.92 Standard to be revised