According to the book Historical Sites of Warren County, the township was named for Theodorus Jacobus Frelinghuysen, a minister and theologian of the Dutch Reformed Church who came to New Jersey in 1720.
The typical 12' x 24' rectangular (288 sq.ft. of water surface area) concrete pool will cost around $72 per square foot.
Gunite Pools. If you are installing a pool in your backyard, there are many types to choose from. A popular choice is a gunite swimming pool because it is highly durable and it can be created in just about any shape. Gunite pools use a rebar framework that is sprayed over with a concrete and sand mixture.unite Pools. If you are installing a pool in your backyard, there are many types to choose from. A popular choice is a gunite swimming pool because it is highly durable and it can be created in just about any shape. Gunite pools use a rebar framework that is sprayed over with a concrete and sand mixture.