Okla. Const. art. IX, § 29

The Commission shall ascertain, and enter of record, the same to be a public record, as early as practicable, the amount of money expended in construction and equipment per mile of every railroad and other public service corporation in Oklahoma, the amount of money expended to procure the right of way, and the amount of money it would require to reconstruct the roadbed, track, depots, and transportation facilities, and to replace all the physical properties belonging to the railroad or other public service corporation. It shall also ascertain the outstanding bonds, debentures, and indebtedness, and the amount, respectively, thereof, when issued, and rate of interest, when due, for what purposes issued, how used, to whom issued, to whom sold, and the price in cash, property, or labor, if any, received therefor, what became of the proceeds, by whom the indebtedness is held, the amount purporting to be due thereon, the floating indebtedness of the company, to whom due, and his address, the credits due on it, the property on hand belonging to the railroad company or other public service corporation, and the judicial or other sales of said road, its property or franchises, and the amounts purporting to have been paid, and in what manner paid therefor. The Commission shall also ascertain the amounts paid for salaries to the officers of the railroad, or other public service corporation, and the wages paid its employees. For the purpose in this section named, the Commission may employ experts to assist them when needed, and from time to time, as the information required by this section is obtained, it shall communicate the same to the Attorney General by report, and file a duplicate thereof with the State Examiner and inspector for public use, and said information shall be printed, from time to time, in the annual report of the Commission.