Dockside Chowder

Name: Dockside Chowder
Ingredients: 8 ounces bacon, diced; 1/2 cup thinly sliced leeks, white and light green parts only; 1/2 cup finely chopped yellow onion; 1/2 cup finely chopped celery; 1 quart bottled clam juice; 1 quart fish stock; 2 medium russet potatoes, peeled and finely chopped; 8 ounces mixed firm fish (such as halibut and sturgeon) and scallops, cut into bite-sized pieces; 8 ounces shrimp, peeled, deveined and cut into bite-sized pieces; 1 pound fresh clams, shells scrubbed; 1 pound mussels, scrubbed and debearded; 1/4 cup heavy whipping cream; Salt and freshly ground black pepper; 3 tablespoons finely chopped fresh tarragon