These unique root cellar plans show you how to build a root cellar for food storage by adapting a new concrete septic tank. Read more: http://www.motherearthnews.com/diy/root-cellar-plans-zm0z14amzreb.aspx#ixzz2wQ9IUSsA
Root Cellar - the author said it cost about $1,000 for this 8x8 foot cellar: concrete blocks were $1 each at the time, and he used about 320. About $500 for concrete and mortar, and the remainder for rebar, wood, etc. He contacted a local gravedigger to use a backhoe to dig out the space for the cellar.
10 Things to Consider When Building a Root Cellar - Homesteading and Livestock
Before the Refrigerator, There was the Root Cellar. Here's How to Build One! Stores: Jams, Salted Meat, Bread, Butter, Cheese, Milk and Cream, Apples, Potatoes, Carrots, Plums, Pears, Peaches, Tomatoes, Cabbage, Wine, Beer, Cider, Grains, Nuts, Dried food, Canned Food and MORE!