No trailer camp shall be located on any site in the Town of Hammonton unless said site shall first be approved by the Board of Adjustment of the Town of Hammonton, provided nevertheless that no trailer camp shall be permitted in the area of the Town of Hammonton bounded and described as follows: Beginning at the intersection of the southwesterly line of the White Horse Pike and the southeasterly line of Fairview Avenue and extends thence southeastwardly along the said line of White Horse Pike to the northwestwardly line of Eighth Street; thence southwestwardly along the said line of Eighth Street to the northeasterly line of First Road; thence northwestwardly along the said line of First Road to the southeasterly line of Thirteenth Street; thence northwestwardly along the said line of Thirteenth Street and the said line of Fairview Avenue to the said line of White Horse Pike and the point and place of beginning.