The geologic data preservation fund may be used to defray the expenses of preserving geologic data compiled by the commission and disseminating the data to county, state, and federal departments and agencies and members of the general public. All moneys collected for dissemination of geologic data under this section must be deposited in the geologic data preservation fund. This fund must be maintained as a special fund in the state treasury and all moneys transferred into the fund are appropriated and must be used and disbursed solely for the purpose of paying the current cost of providing information as determined by the commission based on actual costs.