Okla. Stat. tit. 45, § 45-731

The operator shall submit to the Department, no later than

September 1 following the end of each permit year, a map in a form

approved by the Department showing the location of the pit or pits

by section, township, range and county, with such other description

as will identify the land which the operator has affected by mining

during such permit year and has completed mining operations thereon,

with a legend upon such map showing the number of acres of affected

Oklahoma Statutes - Title 45. Mines and Mining Page 57

land. Such map shall also show in acres the extent of the

reclamation accomplished on the affected land, including grading and

revegetation efforts, as of the end of the permit year, and shall

show by appropriate designation any deviation from the plan of

reclamation filed under subsection (c) of Section 724 of this title

and the reasons therefor.

Whenever an operator shall have completed all requirements under

the provisions of this act as to any affected land, he shall notify

the Department thereof. If the Department determines that the

operator has completed reclamation requirements and achieved results

appropriate to the use for which the area was reclaimed, the

Department shall release the operator from further obligations

regarding such affected land and the penalty of the bond shall be

reduced proportionately.