Where the water level is so near the surface that you cannot dig a cave, you will have to build your storage house aboveground. This one is made of poles, and covered with straw, leaves and dirt. Grass should be planted on top of the dirt to keep the earth from washing away. The front wall must be made double thickness, with sawdust or other insulating material between to prevent freezing in winter and to keep cool in summer. Take notice that there is a lock on the door