As used in this article the following terms have the meanings hereby ascribed to them:
(1) ESTABLISHING COUNTY. A county, the county commission of which has provided for the establishment of a park or recreational area or has designated land for the establishment thereon of a park or recreational area.
(2) ADJOINING COUNTY. A county the boundary of which abuts either land on which the establishing county has established a park or recreational area or land which the establishing county has designated for the establishment thereon of a park or recreational area.