4 X 6 Curbing in Spanish Fork Utah May 26, 2013 Style: 4 X 6 Curb Color: Gray Stamp/Texture: None 4 X 6 curbing in Spanish Fork, Utah by Utah Valley Curb, photo 2 4 X 6 curbing in Spanish Fork, Utah by Utah Valley Curb, photo 3 4 X 6 curbing in Spanish Fork, Utah by Utah Valley Curb, photo 4 Posted in Spanish Fork, Utah County