<SEC-DOCUMENT>0001047469-17-001875-index.html : 20170322
<SEC-HEADER>0001047469-17-001875.hdr.sgml : 20170322
<ACCEPTANCE-DATETIME>20170322100337
ACCESSION NUMBER:		0001047469-17-001875
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20170504
FILED AS OF DATE:		20170322
DATE AS OF CHANGE:		20170322
EFFECTIVENESS DATE:		20170322

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARCH COAL INC
		CENTRAL INDEX KEY:			0001037676
		STANDARD INDUSTRIAL CLASSIFICATION:	BITUMINOUS COAL & LIGNITE SURFACE MINING [1221]
		IRS NUMBER:				430921172
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13105
		FILM NUMBER:		17705851

	BUSINESS ADDRESS:	
		STREET 1:		CITY PLACE ONE STE 300
		STREET 2:		ARCH MINERAL CORP
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63141
		BUSINESS PHONE:		3149942700

	MAIL ADDRESS:	
		STREET 1:		CITYPLACE ONE SUITE 300
		STREET 2:		ARCH MINERAL CORP
		CITY:			CREVE COEUR
		STATE:			MO
		ZIP:			63141

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARCH MINERAL CORP
		DATE OF NAME CHANGE:	19970411
</SEC-HEADER>
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<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>a2231404zdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: a2231404zdef14a.htm

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<SEQUENCE>2
<FILENAME>g19907.jpg
<DESCRIPTION>G19907.JPG
<TEXT>
Document 2 - file: g19907.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g885112.jpg
<DESCRIPTION>G885112.JPG
<TEXT>
Document 3 - file: g885112.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g472472.jpg
<DESCRIPTION>G472472.JPG
<TEXT>
Document 4 - file: g472472.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g84552bgi001.gif
<DESCRIPTION>G84552BGI001.GIF
<TEXT>
Document 5 - file: g84552bgi001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g84552bgi002.gif
<DESCRIPTION>G84552BGI002.GIF
<TEXT>
Document 6 - file: g84552bgi002.gif

</DOCUMENT>
</SEC-DOCUMENT>