How to make cement, mortar, and bricks in the wild | Brian's Science and Technology | Scoop.it
In a survival situation, a mixture of mud and grasses can be used to create a substance known as “survival cement”.  Survival cement can be used to construct shelters, create cookware, kilns, and to wrap foods for “clay baking”. It takes two ingredients to make cement in the wild – mud and grass.... http://wildernessarena.com/skills/general-repair/how-to-make-cement-mortar-bricks-in-the-wild