10. Submerged lands The State is not prohibited under this section from selling public submerged land as fill material, whether it is before the act of dredging or after the act, if it is not in the public interest; however, the trustees of the improvement trust fund would be clearly violating the responsibilities under Chapter 253 if they authorized any sale of State fill which was not in the public interest. Op.Atty. Gen., 071-68. April 14. 1971. This section pertaining to the sale of state-owned submerged lands does not apply to the sale of fill material which has been severed from the land. Id.