Group 051 - Mining of hard coal

PSIC Group 051 covers Mining of hard coal. Direct children below it include Mining of hard coal. It clusters closely related activities and helps compare nearby classes before choosing the most defensible business...

Level Group

Hierarchy depth 3/5

Children 1

Last verified 2026-10-21

Key facts

Code summary

Code 051

Official title Mining of hard coal

Version PSIC 2019

Source layer PSA / BSP

Parent 05 - Mining of Coal and Lignite

Section B - Mining and Quarrying

Next step

Child codes

These are the next codes most users should open after this hub page.

0510

Mining of hard coal

Nearby codes

052

Mining of lignite

About this level

Practical summary

Group 051 sits in the PSIC 2019 hierarchy under B Mining and Quarrying > 05 Mining of Coal and Lignite. This group usually narrows the choice to a small family of classes such as Mining of hard coal. It is useful when two or three neighboring activities look similar but should not be collapsed into one code.