Ala. Code § 33-2-92
The authorization herein granted to the state of engaging in the aforesaid works of internal improvement at a cost of not exceeding $2,000,000.00 is in addition to the authorization in the amount of $3,000,000.00 granted by the 1957 Docks Act, and to the authorization in the amount of $3,500,000.00 granted by the 1959 Docks Act, and to the authorization in the amount of $1,500,000.00 granted by the 1961 Docks Act, thus bringing to the aggregate sum of $10,000,000.00 the total authorization presently and heretofore granted by the Legislature pursuant to the provisions of the 1957 Docks Amendment. The use of revenues derived from operation of dock facilities shall not be deemed the incurring of cost by the state within the meaning of this section.
Ala. Code § 33-2-92 (1975)