(1) In 1951 , the West Kentucky Area Council , based in Bowling Green , merged with the Audubon Council to form the Cogioba Council , which operates a good third of Kentucky .
(2) In 1951 , the West Kentucky Area Council , headquartered in Bowling Green merged with the Audubon Council to form the Cogioba Council serving a good third of Kentucky .

Do these two sentences mean the same thing?
yes