N.J. Stat. § 40A:13-21: Ascertainment of county or municipal dividing lines

Whenever the center line of any nonnavigable stream forms a dividing line between

a. two or more counties as well as between two or more municipalities, or

b. two or more municipalities alone, and said center line is uncertain, the county dividing line may be ascertained and made certain, or in the case of a municipal dividing line not forming the boundary lines between counties, in the manner hereinafter provided.

L.1979, c. 181, s. 3, eff. Aug. 29, 1979.