http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Industry series. Structural steel erection special trade contractors, industry 1791
Structural steel erection special trade contractors, industry 1791
Census of construction industries (1992)
1 volume (various pagings) : illustrations ; 28 cm.
Also available via Internet from the Census website (PDF file only). Address as of 8/23/2001:http://www.census.gov/ftp/pub/prod/1/constr/92ind/cci21f.pdf