A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Roof support in coal mines in Irwin, Greensburg, and Latrobe Basins, Westmoreland County, Pa.
Geology and topography; characteristics of coal bed; roof hazards; statistical data on production of mines, causes of accidents, ratio of accidents to production; details of study of mines, listed by letters A to L.
Roof support in coal mines in Irwin, Greensburg, and Latrobe Basins, Westmoreland County, Pa.
Geology and topography; characteristics of coal bed; roof hazards; statistical data on production of mines, causes of accidents, ratio of accidents to production; details of study of mines, listed by letters A to L.
Roof support in coal mines in Irwin, Greensburg, and Latrobe Basins, Westmoreland County, Pa.
U. S. Bur. Mines -- Report Investigations
Paul, J.W. (author) / Tomlinson, H. (author) / Craighead, S.J. (author)
1931
77 pages
17 Figs. Supp plates.
Report
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Online Contents | 2015
5.4.7 ARTS CENTER, GREENSBURG, KANSAS
| British Library Online Contents | 2010
| TIBKAT | 1.1968/69 - 14.1995 = Nr. 1-56; 1996 - 1997 = Nr. 57-60