( balks) or baulks. These are the catwalks between grid squares which serve both as a way to get into the squares as well as a continuing record of the stratigraphy of the site. Usually, they are composed of the outer 0.50 meter strip of each edge of each square.

An illegal motion by the pitcher, with a runner or runners on base, entitling all runners to advance one base. The intention is to catch the runners off balance. CG