    <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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>tm2325616d1_correspimg002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: tm2325616d1_correspimg002.jpg

    </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

    </DOCUMENT>
    </SEC-DOCUMENT>