Mound Bars

 2 cups graham cracker crumbs
2 Tbsp sugar
1 stick butter, melted
1 (14 oz) can sweetened condensed milk
1 cup sweetened flaked coconut
1 cup unsweetened shredded coconut
1 (10 oz) pkg semisweet chocolate chips

Preheat oven to 350.  Stir together graham cracker crumbs, sugar, and butter in a boil until moistened.  Press mixture into bottom of 13x9 pan.  Bake until edges are lightly browned, about 15 minutes.  Stir together condensed milk, flaked coconut and shredded coconut in a bowl, then spread gently over crust.  Bake until slightly puffed and light brown around edges, about 15 minutes.  Transfer to wire rack to cool.  Meanwhile, melt chocolate in a bowl set over a pan of simmering water, stirring until smooth.  Spread chocolate evenly over coconut, Let cool about 1 hour, then chill until chocolate is set, about 30 minutes.