Search

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

Keyword Search

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

3 results returned

Search results

• Comparative shortwall and room-and-pillar mining costs
• Stereographic method of determining whether planes of weakness transect pillars
• Pillar failure analysis and in situ stress determinations at the Fletcher mine near Bunker, Mo.