All lands purchased by the State Bond and Building Commission for the State of Louisiana, which are enclosed in the said area and which are necessary to the erection and maintenance of said Lake Claiborne are hereby granted to the Lake Claiborne Watershed District, as provided in R.S. 38:2864, for the purposes herein set out, but this grant shall in no wise abridge the right of the state to lease the said land for the production of oil, gas and other minerals under the general laws of the state as now provided.
La. R.S. § 38:2877