Safeguarding workmen at oil derricks,
Data(s) |
07/09/2024
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Resumo |
At head of title: ... Department of commerce. Herbert Hoover, secretary. Bureau of mines. Scott Turner, director. Mode of access: Internet. |
Formato |
bib bib |
Identificador | |
Idioma(s) |
eng |
Publicador |
Washington, Govt. print off., |
Direitos |
Items in this record are available as Public Domain, Google-digitized. View access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements. |
Palavras-Chave | #Hazardous occupations #Oil well drilling |
Tipo |
text |