ashlar masonry

Masonry composed of rectangular units of burnt clay or shale, or stone, generally larger in size than brick and properly bonded, having sawn, dressed, or squared beds and joints laid in mortar.

ashlar masonry: A, random-range quarry-faced ashlar; B, random-range dressed-faced ashlar; C, coursed quarryfaced ashlar; D, coursed dressed ashlar with margin draft; E, bonder in ashlar; f, rubble filling back of ashlar