Resistance of metal-mine airways,
| Data(s) |
14/07/2024
|
|---|---|
| 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 | #Mine ventilation. |
| Tipo |
text |
