found: Work cat.: Good, R. Geology and its influence on the vernacular style of dry stone walls in North Yorkshire ... 1996.
found: Callander, R. Drystane dyking in Deeside : a dykers notebook, 1982.
found: Concise Oxford dict., 1990(drystone (of a wall etc.) built without mortar)
found: LC database, 7/18/96(dry stone wall)
found: Putnam, R.E. Builder's comp. dict., 1984(dry wall: a masonry wall laid up without mortar)
found: Construction dict., 1989(Dry stone wall: British term for dry-wall; Drywall: a wall laid without the use of mortar)
found: Means illus. construction dict.(dry stone wall)
found: British Standards Institute. Glossary of building and civil engineering terms, 1993(drystone wakkm UF dry wall)
notfound: ASTI;McGraw-Hill dict. sci. tech.;Web. 3