The coalfield extends northwestward towards Bristol, and is of great importance to the manufactures of that city.
A line from Flensburg south-westward to Joldelund and thence northwestward to Hoyer will nearly give the boundary between the two idioms.i The German-French frontier traverses Belgium from west to east, touching the towns of St Omer, Courtrai and Maastricht.
The boundary between the United States and Canada runs up the middle of the outlet of the lake and follows a median line approximately to about mid-lake; thence it sweeps northwestward, so as to include Isle Royal within the territory of the United States, and continues near the north shore, to the mouth of Pigeon River, which it follows westward, leaving the whole west end of the lake in United States territory.