Buy Discount Phentermine Online Smith’s Crossing, located in the City of Sun Prairie Wisconsin, is a 460 acre multi use development. It features many acres of open space, wetlands and public gathering places. The neighborhood is designed with traditional neighborhood features including housing for all income levels, apartment buildings, condominiums and commercial space. The site is home to a YMCA and Creekside Elementary School. D’Onofrio, Kottke & Associates has provided civil engineering and land surveying services throughout the entire life of the project for public improvements and many individual site developments.