2 dozen clams, shucked
1 pound fresh cod or haddock fillets
2 leeks, sliced
3 carrots, sliced
3 T. butter
2 cups water
1 can condensed cream of celery soup
3 cups frozen O'Brien potatoes
1 small cucumber, peeled and halved lengthwise
3 cups hot milk
1 T. chopped fresh dill
salt and pepper to taste