Walking Taco

1 lb. lean ground beef - cooked with taco seasoning as directed on package
1 (16 oz) can refried beans
1 small can chopped or diced black olives
1 small can chopped chilies
8 oz. guacamole
1 pint sour cream
1/2 cup chopped green onions
garlic powder
1 cup diced tomatoes
1 cup grated cheese

Layer all, starting with beef. Serve with tortilla chips.