Extent:
v, 145 p., 1 l
24 cm
Series:
Type of publication: Book / Working Paper
Type of publication (narrower categories): Bibliografie
Language: English
Notes:
At head of title: United States Department of the Interior. Harold L. Ickes, secretary. Bureau of Mines. John W. Finch, director
"This compilation is a complete revision and expansion of Technical paper 493, which was published in 1931."--Foreword
Source:
ECONIS - Online Catalogue of the ZBW
Persistent link: https://www.econbiz.de/10001665214