Aug 03, 2010. /Lesprom Network/. Hampton Affiliates has announced a one-week curtailment of its Morton, Washington, USA, stud mill starting August 2. The mill, which has an annual capacity of more than 200 million board feet, closed its log yard and shipping departments as well as the mill operation, as Random Lengthsreported. Operating schedules at this facility as well as other Hampton operations will be reviewed weekly and adjusted according to market conditions.