The tidal Whitelake Channel of the river connects it to two disused short canals that were both built to serve the ball clay trade in the area.
42.
The mine has since stopped mining and shipping the clay, and animal feed manufacturers found their feed tested negative for dioxin once the ball clay was removed.
43.
The dioxin was traced to a Mississippi mine, a source of " ball clay, " commonly added to soybean meal to keep it from clumping, the FDA said.
44.
His glazes _ primarily western North Carolina feldspar, ball clay and ash from his wood stove _ produce striking ! colors and surfaces that vary with each firing.
45.
The northern part from Meeth and Marland, which was reconstructed from the narrow gauge railway, continued to carry ball clay, but not passengers, until August 1982 ( Thomas ).
46.
The dioxin was traced to a Mississippi mine, a source of " ball clay, " commonly added to soybean meal to keep it from clumping, the FDA said last week.
47.
ECC had also expanded into the ball clay market ( used in the building industry ) and, with over 250, 000 tons a year, accounted for nearly half of British output.
48.
Although there was not a passenger station at Norden prior to the opening of the current station in 1995, the station is built on the site of the former Norden Ball clay works.
49.
At the time the heath was over 380 hectares ( 1000 acres ) in size, but in the 19th and 20th centuries much of it was destroyed by open-cast mining for ball clay.
50.
Granted that it is not viable to solely concentrate on tin mining, there is no harm in simultaneously mining both the metal and other minerals such as silica, ball clay, gold and marble stones.
