TY - JFULL ID - 134492216 TI - Rock products : devoted to the production and sale of rock and clay products. PY - 1917 PB - [Chicago, Ill.] : [Tradepress Pub. Corp.], DB - UniCat KW - Building stones KW - Concrete products KW - Quarries and quarrying UR - https://www.unicat.be/uniCat?func=search&query=sysid:134492216 AB - ER -