City     independence      = new City("Independence", 102);
        River    kansas            = new River("Kansas", 82);
        River    bigBlue           = new River("Big Blue River", 118);
        Fort     kearney           = new Fort("Fort Kearney", 86);
        Landmark chimneyRock       = new Landmark("Chimney Rock", 86);
        Fort     laramie           = new Fort("Fort Laramie", 190);
        Landmark independenceRock  = new Landmark("Independence Rock", 102);
        Landmark southPass         = new Landmark("South Pass", 57, 125);
        River    green             = new River("Green River", 143);
        Fort     bridger           = new Fort("Fort Bridger", 162);
        Landmark sodaSprings       = new Landmark("Soda Springs", 57);
        Fort     hall              = new Fort("Fort Hall", 182);
        River    snake             = new River("Snake River", 113);
        Fort     boise             = new Fort("Fort Boise", 160);
        Landmark blueMountains     = new Landmark("Blue Mountains", 55, 125);
        Fort     wallaWalla        = new Fort("Fort Walla Walla", 120);
        Landmark dalles            = new Landmark("The Dalles", 100);

        kansas.setWidth(620);
        kansas.setDepth(4);
        bigBlue.setWidth(300);
        bigBlue.setDepth(6);
        green.setWidth(400);
        green.setDepth(20);
        snake.setWidth(1000);
        snake.setDepth(7);

        Object[] locations = new Object[] {
            independence,
            kansas,
            bigBlue,
            kearney,
            chimneyRock,
            laramie,
            independenceRock,
            southPass,
            green,
            bridger,
            sodaSprings,
            hall,
            snake,
            boise,
            blueMountains,
            wallaWalla,
            dalles
        };