3936.10—Inspection of underground and surface operations and facilities.
The operator/lessee must comply with the following performance standards concerning exploration, development, and production:
(c)
The operator/lessee must diligently develop the lease and must comply with the diligent development milestones and production requirements at § 3930.30 ;
(d)
The operator/lessee must notify the BLM promptly if operations encounter unexpected wells or drill holes that could adversely affect the recovery of shale oil or other minerals producible under an oil shale lease during mining operations, and must not take any action that would disturb such wells or drill holes without the BLM's prior approval;
(f)
The operator must save topsoil for use in final reclamation after the reshaping of disturbed areas has been completed.