Okla. Stat. tit. 8, § 8-5: Powers

Such corporation has power to inclose, improve and embellish its

grounds, avenues and walks, and to erect buildings or vaults for its

use, and to prescribe in its bylaws, rules for the sale, inclosure

and ornamentation of lots and for erecting monuments or gravestones

thereon; and to prohibit any use, division, improvement or

ornamentation of any lot which the corporation may deem improper;

and to make other bylaws and acts to the end that all the appliances

and conveniences and benefits of a public and private cemetery may

be obtained and secured.