Illinois Society of Architects · Chicago · leaf 435
es the bulk of the total outputof gray stone and is therefore classed asStandard. This grade has certain varia-tions in density, color-tone and texture notallowed in Select and may contain streaksof calcite or moderately coarse grained orreedy formation and small pit-holes, provid-ing such… … 1=1 -JclIO.
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.