=Lambertville=, on the Delaware northeast of Trenton, is a prosperous town with considerable water power, whose principal industries are rock quarries, rubber works, and canning factories. =Pennington= and =Hopewell= in the interior are industrious canning centers. At =Phillipsburg=, on the Delaware, opposite the mouth of the Lehigh, five railroads meet. It is the western terminus of the Morris Canal. These transportation facilities make it a strongly industrial town. Its principal products are air compressors and rock drills, horseshoes, canisters, iron pipe, boilers, and silks. The principal cement works of the state are located near Phillipsburg. =Belvidere=, on the Delaware above Phillipsburg; =Washington=, =Hackettstown=, and =Blairstown=, in the interior, are popular residential towns. In =Washington= pianos and organs, and in =Hackettstown= saws and leather, are the chief industrial products. In =Hackettstown= and =Blairstown= well-known educational institutions are located. =Newton= is located in the picturesque mountain region of Sussex County. Here dairy farming is important. Its chief manufactures are shoes, silks, and dyeing. =Flemington= and =High Bridge=, in Hunterdon County, though not located in the Delaware Valley, are near it. They are important centers of trade in agricultural sections with growing industries. =High Bridge= is in the heart of the peach-growing section and has large steel works. So also =Franklin Furnace=, in Sussex County, is in the Wallkill Valley and is the center of the zinc-mining industry. =Camden and Neighboring Cities and Towns.=--In this group are included the towns which are located in the southwestern part of the state and which are usually considered as belonging to the Metropolitan District of Philadelphia or are near it. All are vitally affected by its stimulating commercial and industrial impulse.