Search

Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Enter your search term(s):
[advanced search]

4 results returned

Search results

• Ignition of coal dust by permissible explosives
• Laboratory explosibility study of American coals
• Lessons from intensive dust sampling of a coal mine
• Incombustible required on floor and on rib-roof surfaces of coal mines to prevent propagation of explosions