Extent: | 29 Seiten graph. Darst |
---|---|
Series: | |
Type of publication: | Book / Working Paper |
Language: | English |
Notes: | At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, director |
Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10013407604