Creamware of these potteries would have been producing creamware. Whilst Staffordshire had taken the lead, creamware came to be developed in a number of large potting centres where stoneware was already being produced, eventually replacing stoneware entirely. These included Derbyshire, Liverpool, Yorkshire (including the Leeds pottery) and Swansea. Attribution of pieces to particular factories has always been difficult because virtually no creamware was marked prior to Josiah Wedgwood's manufacture of it in Burslem. At the time manufacturers frequently supplied wares to one another to supplement stocks and ideas were often exchanged or copied. In addition, factories usually sent out their wares
Bonaparte Pottery Archeological District are associated with the lumberyard that took over the site after the pottery closed. They were built after the period of historical significance. While modest in size compared with Red Wing Pottery in Minnesota and Western Stoneware in Illinois, Bonaparte Pottery was mid-sized operation associated with the pottery industry in Iowa. Pottery had a significant economic impact on the state from the mid to the late 19th-century. The Des Moines River Valley had the greatest concentration of potteries in the state because of the abundant coal deposits located there. Fire clay, which is used to manufacture ceramics, was a by-product