Locke-Ober Clam Chowder

Yield:	6 Servings
Categories:	Soups, Stews

1	tb	Butter
1	lg	Russet potatoes; peeled and chopped into 1/2" cubes
1	md	Onion; chopped
1	c	Bottled clam juice
2	c	Fresh clams; chopped -or-
4	cn	Chopped clams; 6.5 ounce,liquid reserved
1	c	Whipping cream
3	tb	Fresh dill; chopped