TY - BOOK ID - 149859476 TI - Underground PY - 1976 SN - 0547347979 PB - Boston : Houghton Mifflin, DB - UniCat KW - Underground utility lines KW - Underground construction UR - https://www.unicat.be/uniCat?func=search&query=sysid:149859476 AB - Text and drawings describe the subways, sewers, building foundations, telephone and power systems, columns, cables, pipes, tunnels, and other underground elements of a large modern city. ER -