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The Ufferman Site (also known as the A. Sawyer Site, and designated 33DL12) is an archaeological site in the central part of the U.S. state of Ohio. Located north of the city of Delaware, it occupies approximately 2 acres (0.81 ha) of land near Delaware Lake on property near to the boundaries of Delaware State Park. It appears to have been the location of a village of the Cole culture, which inhabited the region during the later portion of the Woodland period. Ufferman lies only 0.6 kilometres (0.37 mi) south of the , the type site for the culture, and approximately 23 kilometres (14 mi) north of the Highbank Park Works, which are believed to have been built by peoples of the Cole culture.