The Department of Natural Resources Cash Fund is created. The State Treasurer shall credit to such fund such money as is specifically appropriated or reappropriated by the Legislature. The State Treasurer shall also credit such fund with payments, if any, accepted for services rendered by the department and fees collected pursuant to subsection (6) of section 46-606 and section 61-209. The funds made available to the Department of Natural Resources by the United States, through the Natural Resources Conservation Service of the Department of Agriculture or through any other agencies, shall be credited to the fund by the State Treasurer. Any money in the fund available for investment shall be invested by the state investment officer pursuant to the Nebraska Capital Expansion Act and the Nebraska State Funds Investment Act. The Department of Natural Resources shall allocate money from the fund to pay costs of the programs or activities of the department. The Director of Administrative Services, upon receipt of proper vouchers approved by the department, shall issue warrants on the fund, and the State Treasurer shall countersign and pay from, but never in excess of, the amounts to the credit of the fund. Transfers may be made from the fund to the General Fund at the direction of the Legislature.