N.J. Stat. Ann. § 40:60-12

Any society or organization designated in section 40:60-10 of this title may sell to the municipality any lands owned by it and adjoining the lands conveyed in trust as provided in said section 40:60-10. The municipality may purchase such adjoining lands for the purposes aforesaid, and may issue bonds not to exceed ten thousand dollars in payment therefor; provided, that the interest accruing upon said bonds shall be used and devoted for the purpose of maintaining said trust and carrying out the purposes thereof.