Proposed standard smoke ordinance.

Year: 1930
Document Type: USBI
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.11:6262
Series: Information circular / United States, Bureau of Mines ;
Report Number: 6262
Subject: Smoke prevention--United States
Link: https://hdl.handle.net/2027/mdp.39015077576422

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