1987 census of construction industries. Preliminary reports. Industry series. Plumbing, heating, and air-conditioning, special trade contractors, (industry 1711).
[Washington, DC :
U.S. Dept. of Commerce, Bureau of the Census : For sale by Supt. of Docs., U.S. G.P.O.,
Shipping list no.: 89-295-P.
"Issued April 1989."
|Description:||3 p. ; 28 cm.|
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