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8-K

CARLISLE/ALLERTON RESERVES

Company
HALLADOR ENERGY CO
Filed
January 26, 2012
Period of Report
January 25, 2012
Accession Number
0000788965-12-000003

An 8-K is a current report used to announce material events that shareholders should know about — such as earnings releases, mergers, executive changes, or bankruptcy. Learn more about 8-K filings →