1977 census of construction industries
Subtitle: industry series, excavating and foundation work special trade contractors, SIC 1794.
Series: CC 77-I ; 23 (P)
Publisher: Dept. of Commerce, Bureau of the Census
Published: 1979
Place of publication: Washington
Language: eng
Subjects: Construction industry -- United States -- Statistics.
Genres: Statistics.
Other titles: Industry series, excavating and foundation work special trade contractors, SIC 1794.; Excavating and foundation work special trade contractors, SIC 1794.
Notes: Issued Mar. 1979.

Preliminary report.