6-13-1 Disposition of surplus property. 6-13-2 Appraisal of value of surplus property--Filing of report. 6-13-3 Improvements appraised separately--Equipment and property not appraised. 6-13-4 Notice by publication of sale of surplus property--Exceptions. 6-13-5 Receipt of sealed bids--Sale to highest bidder--Absence of bids--Private sale. 6-13-5.1 Sale of property conveyed by a railroad. 6-13-5.2 Sale of government property at public auction or through broker--Offers--Notice. 6-13-6 Sale by auction--Notice by publication. 6-13-7 Persons prohibited from purchasing surplus property--Exception. 6-13-8 Deposit and credit of sale revenue. 6-13-9 Sale of real property under installment contract. 6-13-10 Acceptance of bid for installment contract. 6-13-11 Board approval of installment contract sales. 6-13-12 Full purchase price paid in cash--Execution of deed. 6-13-13 Less than full amount of purchase price in cash--Execution of contract for deed. 6-13-14 Transfer, license, or sale of computer software--Notice to board. 6-13-15 Transfer of county or municipal museum collections to certain nonprofit organizations. 6-13-16 Loaning of zoo animals.