"allegheny" - key terms from Wikipedia

allegheny
allegheny city
allegheny county
allegheny county airport authority
allegheny front
allegheny mountain
allegheny mountain tunnel
allegheny mountains
allegheny observatory
allegheny plateau
allegheny regional asset district
allegheny river
allegheny school district
allegheny township
born in allegheny county
map of allegheny county