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Mining Methods | Midpage
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Code of Federal Regulations
Title 43
Chapter II
Subchapter C
Part 3590
Subpart 3594
Mining Methods
3594.1
Ultimate maximum recovery.
3594.2
Support pillars.
3594.3
Boundary pillars and isolated blocks.
3594.4
Development on leased lands through adjoining mines as part of a mining unit.
3594.5
Minerals soluble in water; brines; minerals taken in solution.