Author : James Washington Paul
Publisher :
Page : 76 pages
File Size : 48,75 MB
Release : 1935
Category : Coal mines and mining
ISBN :
Author :
Publisher :
Page : 1042 pages
File Size : 37,77 MB
Release : 1933
Category : Mine safety
ISBN :
Author : Arno Carl Fieldner
Publisher :
Page : 1252 pages
File Size : 27,56 MB
Release : 1937
Category : Carbonization
ISBN :
Author : Arno Carl Fieldner
Publisher :
Page : 154 pages
File Size : 21,33 MB
Release : 1937
Category : Coal
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 1134 pages
File Size : 33,63 MB
Release : 1936
Category : Mines and mineral resources
ISBN :
Author :
Publisher :
Page : 1156 pages
File Size : 13,61 MB
Release : 1935
Category : Mineral industries
ISBN :
Author : United States. Work Projects Administration
Publisher :
Page : 492 pages
File Size : 25,58 MB
Release : 1939
Category :
ISBN :
Author : Willard Eugene Hotchkiss
Publisher :
Page : 876 pages
File Size : 19,51 MB
Release : 1939
Category : Bituminous coal
ISBN :
Author : National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.)
Publisher :
Page : 796 pages
File Size : 10,81 MB
Release : 1937
Category : Mineral industries
ISBN :
Author : Thomas L. Holzer
Publisher : Geological Society of America
Page : 234 pages
File Size : 21,21 MB
Release : 1984
Category : Technology & Engineering
ISBN : 0813741068
