sentences:  Felled trees floated down from the Kohler Valley upstream of Calw were reassembled while the men overnighted in inns at the mills in Kapfenhardt and then floated them on, usually to Bietigheim or Heidelberg but sometimes as far as Rotterdam, before returning overland with their pay.The rafting era came to an end in the early 20th century, replaced by the railways.The community has a museum and a monument to the industry.