Shopping at Granite Products can provide an everlasting memento of your visit to the region. Choose from a variety of souvenirs including vases, ceramic photos and decorative landscaping stones, or order custom hand etchings, address boulders or memorials. Local granite quarries have been in operation for over 150 years, and are historically noted for furnishing the paving blocks and cobblestone for St. Louis streets and turned columns for the Governors mansion. Granite Products …Where Memories Live On… is conveniently located on Hwy 21 just south of the Elephant Rocks State Park. Visit our webiste www.twincitymonument.com.