<SEC-DOCUMENT>0001104659-23-098671-index.html : 20231206 <SEC-HEADER>0001104659-23-098671.hdr.sgml : 20231206 <ACCEPTANCE-DATETIME>20230906164625 <PRIVATE-TO-PUBLIC> ACCESSION NUMBER: 0001104659-23-098671 CONFORMED SUBMISSION TYPE: CORRESP PUBLIC DOCUMENT COUNT: 6 FILED AS OF DATE: 20230906 FILER: COMPANY DATA: COMPANY CONFORMED NAME: HALLADOR ENERGY CO CENTRAL INDEX KEY: 0000788965 STANDARD INDUSTRIAL CLASSIFICATION: BITUMINOUS COAL & LIGNITE MINING [1220] IRS NUMBER: 841014610 STATE OF INCORPORATION: CO FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: CORRESP BUSINESS ADDRESS: STREET 1: 1183 EAST CANVASBACK DRIVE CITY: TERRE HAUTE STATE: IN ZIP: 47802 BUSINESS PHONE: 303-839-5504 MAIL ADDRESS: STREET 1: 1183 EAST CANVASBACK DRIVE CITY: TERRE HAUTE STATE: IN ZIP: 47802 FORMER COMPANY: FORMER CONFORMED NAME: HALLADOR PETROLEUM CO DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: KIMBARK OIL & GAS CO /CO/ DATE OF NAME CHANGE: 19900102 FORMER COMPANY: FORMER CONFORMED NAME: KIMBARK INC DATE OF NAME CHANGE: 19860624 </SEC-HEADER> <DOCUMENT> <TYPE>CORRESP <SEQUENCE>1 <FILENAME>filename1.htm <TEXT> Document 1 - file: filename1.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>tm2325616d1_correspimg001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: tm2325616d1_correspimg001.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>tm2325616d1_correspimg003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: tm2325616d1_correspimg003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>tm2325616d1_correspimg004.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: tm2325616d1_correspimg004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>tm2325616d1_correspimg005.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: tm2325616d1_correspimg005.jpg
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