Sentence:  By fall , 443 survivors of this arduous journey were clustered about Fort Snelling , but most of them were sent on to Galena and <WSD>St.</WSD> Louis , with a few going as far as Vevay , Indiana , a notable Swiss center in the United States . 
Meaning of the word marked with <WSD> tags:  the largest city in Missouri; a busy river port on the Mississippi River near its confluence with the Missouri River; was an important staging area for wagon trains westward in the 19th century