Stone/rock masonry construction: Sample for Architect's/Owner's approval of stone for wall of residence. Stone mason has laid selected stone in specified pattern, with additional stone samples, on foundation masonry ledge, for architect and/or owner to view and approve or request changes. Top of photo is 4'x8' sheets of plywood exterior sheathing, nailed to vertical studs, laid horizontally so plywood exterior laminations are perpendicular to supporting studs. Black background is bitumen layer painted on concrete basement wall to resist penetration of moisture from earth through wall. Yellow material is exterior rigid fiberglass insulation between ground and basement wall, once soil is backfilled against wall insulation.. Arlington Street, Ann Arbor, Michigan 2005.