43 CFR Subpart 3931
Plans of Development and Exploration Plans
June 11, 2020
§
3931.10
Exploration plans and plans of development for mining and in situ operations
§
3931.11
Content of plan of development
§
3931.20
Reclamation
§
3931.30
Suspension of operations and production
§
3931.40
Exploration
§
3931.41
Content of exploration plan
§
3931.50
Exploration plan and plan of development modifications
§
3931.60
Maps of underground and surface mine workings and in situ surface operations
§
3931.70
Production maps and production reports
§
3931.80
Core or test hole samples and cuttings
§
3931.100
Boundary pillars and buffer zones