    <SEC-DOCUMENT>0000764065-20-000126-index.html : 20200320
    <SEC-HEADER>0000764065-20-000126.hdr.sgml : 20200320
    <ACCEPTANCE-DATETIME>20200320165417
    ACCESSION NUMBER:		0000764065-20-000126
    CONFORMED SUBMISSION TYPE:	S-4
    PUBLIC DOCUMENT COUNT:		37
    FILED AS OF DATE:		20200320
    DATE AS OF CHANGE:		20200320

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CLEVELAND-CLIFFS INC.
    		CENTRAL INDEX KEY:			0000764065
    		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
    		IRS NUMBER:				341464672
    		STATE OF INCORPORATION:			OH
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325
    		FILM NUMBER:		20732594

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		STE. 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114-2315
    		BUSINESS PHONE:		216-694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		STE. 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114-2315

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CLIFFS NATURAL RESOURCES INC.
    		DATE OF NAME CHANGE:	20081015

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CLEVELAND CLIFFS INC
    		DATE OF NAME CHANGE:	19920703

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			United Taconite LLC
    		CENTRAL INDEX KEY:			0001729113
    		IRS NUMBER:				421609118
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-01
    		FILM NUMBER:		20732595

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Tilden Mining Co L.C.
    		CENTRAL INDEX KEY:			0001729114
    		IRS NUMBER:				341804848
    		STATE OF INCORPORATION:			MI
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-02
    		FILM NUMBER:		20732596

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Cleveland-Cliffs Iron Co
    		CENTRAL INDEX KEY:			0001729019
    		IRS NUMBER:				340677332
    		STATE OF INCORPORATION:			OH
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-03
    		FILM NUMBER:		20732597

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SNA Carbon, LLC
    		CENTRAL INDEX KEY:			0001806010
    		IRS NUMBER:				383730337
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-04
    		FILM NUMBER:		20732598

    	BUSINESS ADDRESS:
    		STREET 1:		C/O AL STEEL HOLDING CORPORATION
    		STREET 2:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069
    		BUSINESS PHONE:		513-425-5000

    	MAIL ADDRESS:
    		STREET 1:		C/O AL STEEL HOLDING CORPORATION
    		STREET 2:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Silver Bay Power Co
    		CENTRAL INDEX KEY:			0001729117
    		IRS NUMBER:				841126359
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-05
    		FILM NUMBER:		20732599

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			PPHC Holdings, LLC
    		CENTRAL INDEX KEY:			0001806008
    		IRS NUMBER:				611726538
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-06
    		FILM NUMBER:		20732600

    	BUSINESS ADDRESS:
    		STREET 1:		C/O AL STEEL HOLDING CORPORATION
    		STREET 2:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069
    		BUSINESS PHONE:		513-425-5000

    	MAIL ADDRESS:
    		STREET 1:		C/O AL STEEL HOLDING CORPORATION
    		STREET 2:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Northshore Mining Co
    		CENTRAL INDEX KEY:			0001729119
    		IRS NUMBER:				841116857
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-07
    		FILM NUMBER:		20732601

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Mountain State Carbon, LLC
    		CENTRAL INDEX KEY:			0001699659
    		IRS NUMBER:				202840611
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-08
    		FILM NUMBER:		20732602

    	BUSINESS ADDRESS:
    		STREET 1:		2711 CENTERVILLE ROAD
    		STREET 2:		SUITE 400
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19808
    		BUSINESS PHONE:		513-425-5000

    	MAIL ADDRESS:
    		STREET 1:		2711 CENTERVILLE ROAD
    		STREET 2:		SUITE 400
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19808

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Lake Superior & Ishpeming Railroad Co
    		CENTRAL INDEX KEY:			0001729132
    		IRS NUMBER:				386005761
    		STATE OF INCORPORATION:			MI
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-09
    		FILM NUMBER:		20732603

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			IronUnits LLC
    		CENTRAL INDEX KEY:			0001785182
    		IRS NUMBER:				341920747
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-10
    		FILM NUMBER:		20732604

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216-694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Cliffs UTAC Holding LLC
    		CENTRAL INDEX KEY:			0001729044
    		IRS NUMBER:				262895214
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-11
    		FILM NUMBER:		20732605

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Cliffs TIOP II, LLC
    		CENTRAL INDEX KEY:			0001729043
    		IRS NUMBER:				611857848
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-12
    		FILM NUMBER:		20732606

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Cliffs TIOP, Inc.
    		CENTRAL INDEX KEY:			0001729033
    		IRS NUMBER:				341371049
    		STATE OF INCORPORATION:			MI
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-13
    		FILM NUMBER:		20732607

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Cliffs TIOP Holding, LLC
    		CENTRAL INDEX KEY:			0001729035
    		IRS NUMBER:				472182060
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-14
    		FILM NUMBER:		20732608

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Cliffs Minnesota Mining Co
    		CENTRAL INDEX KEY:			0001729031
    		IRS NUMBER:				421609117
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-15
    		FILM NUMBER:		20732609

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Cliffs Mining Co
    		CENTRAL INDEX KEY:			0001729025
    		IRS NUMBER:				341120353
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-16
    		FILM NUMBER:		20732610

    	BUSINESS ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114
    		BUSINESS PHONE:		216 694-5700

    	MAIL ADDRESS:
    		STREET 1:		200 PUBLIC SQUARE
    		STREET 2:		SUITE 3300
    		CITY:			CLEVELAND
    		STATE:			OH
    		ZIP:			44114

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AK TUBE LLC
    		CENTRAL INDEX KEY:			0001489721
    		IRS NUMBER:				311781514
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-17
    		FILM NUMBER:		20732611

    	BUSINESS ADDRESS:
    		STREET 1:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069
    		BUSINESS PHONE:		513-425-2614

    	MAIL ADDRESS:
    		STREET 1:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AK STEEL PROPERTIES, INC.
    		CENTRAL INDEX KEY:			0001618312
    		IRS NUMBER:				510390894
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-18
    		FILM NUMBER:		20732612

    	BUSINESS ADDRESS:
    		STREET 1:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069
    		BUSINESS PHONE:		513-425-2614

    	MAIL ADDRESS:
    		STREET 1:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AK STEEL HOLDING CORP
    		CENTRAL INDEX KEY:			0000918160
    		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
    		IRS NUMBER:				311401455
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-19
    		FILM NUMBER:		20732613

    	BUSINESS ADDRESS:
    		STREET 1:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069
    		BUSINESS PHONE:		5134255000

    	MAIL ADDRESS:
    		STREET 1:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AK STEEL CORP
    		CENTRAL INDEX KEY:			0000918192
    		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
    		IRS NUMBER:				311401455
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-20
    		FILM NUMBER:		20732614

    	BUSINESS ADDRESS:
    		STREET 1:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45043
    		BUSINESS PHONE:		5134255000

    	MAIL ADDRESS:
    		STREET 1:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AKS INVESTMENTS, INC.
    		CENTRAL INDEX KEY:			0001489719
    		IRS NUMBER:				311283531
    		STATE OF INCORPORATION:			OH
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-21
    		FILM NUMBER:		20732615

    	BUSINESS ADDRESS:
    		STREET 1:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069
    		BUSINESS PHONE:		513-425-2614

    	MAIL ADDRESS:
    		STREET 1:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AH Management, Inc.
    		CENTRAL INDEX KEY:			0001805940
    		IRS NUMBER:				510390893
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-237325-22
    		FILM NUMBER:		20732616

    	BUSINESS ADDRESS:
    		STREET 1:		C/O AK STEEL HOLDING CORPORATION
    		STREET 2:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069
    		BUSINESS PHONE:		513-425-5000

    	MAIL ADDRESS:
    		STREET 1:		C/O AK STEEL HOLDING CORPORATION
    		STREET 2:		9227 CENTRE POINTE DRIVE
    		CITY:			WEST CHESTER
    		STATE:			OH
    		ZIP:			45069
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-4
    <SEQUENCE>1
    <FILENAME>clf2020s-4document.htm
    <DESCRIPTION>S-4
    <TEXT>
    Document 1 - file: clf2020s-4document.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>2
    <FILENAME>clf2020s-4ex51.htm
    <DESCRIPTION>EXHIBIT 5.1
    <TEXT>
    Document 2 - file: clf2020s-4ex51.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>3
    <FILENAME>clf2020s-4ex231.htm
    <DESCRIPTION>EXHIBIT 23.1
    <TEXT>
    Document 3 - file: clf2020s-4ex231.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.2
    <SEQUENCE>4
    <FILENAME>clf2020s-4ex232.htm
    <DESCRIPTION>EXHIBIT 23.2
    <TEXT>
    Document 4 - file: clf2020s-4ex232.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.1
    <SEQUENCE>5
    <FILENAME>clf2020s-4ex241.htm
    <DESCRIPTION>EXHIBIT 24.1
    <TEXT>
    Document 5 - file: clf2020s-4ex241.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.2
    <SEQUENCE>6
    <FILENAME>clf2020s-4ex242.htm
    <DESCRIPTION>EXHIBIT 24.2
    <TEXT>
    Document 6 - file: clf2020s-4ex242.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.3
    <SEQUENCE>7
    <FILENAME>clf2020s-4ex243.htm
    <DESCRIPTION>EXHIBIT 24.3
    <TEXT>
    Document 7 - file: clf2020s-4ex243.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.4
    <SEQUENCE>8
    <FILENAME>clf2020s-4ex244.htm
    <DESCRIPTION>EXHIBIT 24.4
    <TEXT>
    Document 8 - file: clf2020s-4ex244.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.5
    <SEQUENCE>9
    <FILENAME>clf2020s-4ex245.htm
    <DESCRIPTION>EXHIBIT 24.5
    <TEXT>
    Document 9 - file: clf2020s-4ex245.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.6
    <SEQUENCE>10
    <FILENAME>clf2020s-4ex246.htm
    <DESCRIPTION>EXHIBIT 24.6
    <TEXT>
    Document 10 - file: clf2020s-4ex246.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.7
    <SEQUENCE>11
    <FILENAME>clf2020s-4ex247.htm
    <DESCRIPTION>EXHIBIT 24.7
    <TEXT>
    Document 11 - file: clf2020s-4ex247.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.8
    <SEQUENCE>12
    <FILENAME>clf2020s-4ex248.htm
    <DESCRIPTION>EXHIBIT 24.8
    <TEXT>
    Document 12 - file: clf2020s-4ex248.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.9
    <SEQUENCE>13
    <FILENAME>clf2020s-4ex249.htm
    <DESCRIPTION>EXHIBIT 24.9
    <TEXT>
    Document 13 - file: clf2020s-4ex249.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.10
    <SEQUENCE>14
    <FILENAME>clf2020s-4ex2410.htm
    <DESCRIPTION>EXHIBIT 24.10
    <TEXT>
    Document 14 - file: clf2020s-4ex2410.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.11
    <SEQUENCE>15
    <FILENAME>clf2020s-4ex2411.htm
    <DESCRIPTION>EXHIBIT 24.11
    <TEXT>
    Document 15 - file: clf2020s-4ex2411.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.12
    <SEQUENCE>16
    <FILENAME>clf2020s-4ex2412.htm
    <DESCRIPTION>EXHIBIT 24.12
    <TEXT>
    Document 16 - file: clf2020s-4ex2412.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.13
    <SEQUENCE>17
    <FILENAME>clf2020s-4ex2413.htm
    <DESCRIPTION>EXHIBIT 24.13
    <TEXT>
    Document 17 - file: clf2020s-4ex2413.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.14
    <SEQUENCE>18
    <FILENAME>clf2020s-4ex2414.htm
    <DESCRIPTION>EXHIBIT 24.14
    <TEXT>
    Document 18 - file: clf2020s-4ex2414.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.15
    <SEQUENCE>19
    <FILENAME>clf2020s-4ex2415.htm
    <DESCRIPTION>EXHIBIT 24.15
    <TEXT>
    Document 19 - file: clf2020s-4ex2415.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.16
    <SEQUENCE>20
    <FILENAME>clf2020s-4ex2416.htm
    <DESCRIPTION>EXHIBIT 24.16
    <TEXT>
    Document 20 - file: clf2020s-4ex2416.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.17
    <SEQUENCE>21
    <FILENAME>clf2020s-4ex2417.htm
    <DESCRIPTION>EXHIBIT 24.17
    <TEXT>
    Document 21 - file: clf2020s-4ex2417.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.18
    <SEQUENCE>22
    <FILENAME>clf2020s-4ex2418.htm
    <DESCRIPTION>EXHIBIT 24.18
    <TEXT>
    Document 22 - file: clf2020s-4ex2418.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.19
    <SEQUENCE>23
    <FILENAME>clf2020s-4ex2419.htm
    <DESCRIPTION>EXHIBIT 24.19
    <TEXT>
    Document 23 - file: clf2020s-4ex2419.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.20
    <SEQUENCE>24
    <FILENAME>clf2020s-4ex2420.htm
    <DESCRIPTION>EXHIBIT 24.20
    <TEXT>
    Document 24 - file: clf2020s-4ex2420.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.21
    <SEQUENCE>25
    <FILENAME>clf2020s-4ex2421.htm
    <DESCRIPTION>EXHIBIT 24.21
    <TEXT>
    Document 25 - file: clf2020s-4ex2421.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.22
    <SEQUENCE>26
    <FILENAME>clf2020s-4ex2422.htm
    <DESCRIPTION>EXHIBIT 24.22
    <TEXT>
    Document 26 - file: clf2020s-4ex2422.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.23
    <SEQUENCE>27
    <FILENAME>clf2020s-4ex2423.htm
    <DESCRIPTION>EXHIBIT 24.23
    <TEXT>
    Document 27 - file: clf2020s-4ex2423.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.1
    <SEQUENCE>28
    <FILENAME>clf2020s-4ex251.htm
    <DESCRIPTION>EXHIBIT 25.1
    <TEXT>
    Document 28 - file: clf2020s-4ex251.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>29
    <FILENAME>clf2020s-4ex991.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 29 - file: clf2020s-4ex991.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>cliffscolorlogorgb.jpg
    <TEXT>
    Document 30 - file: cliffscolorlogorgb.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>cliffssecondarylogorgb.jpg
    <TEXT>
    Document 31 - file: cliffssecondarylogorgb.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>jdlogoa09.jpg
    <TEXT>
    Document 32 - file: jdlogoa09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>jdlogoa092.jpg
    <TEXT>
    Document 33 - file: jdlogoa092.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>jonesdayfooter09.jpg
    <TEXT>
    Document 34 - file: jonesdayfooter09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>ourstructure2020.jpg
    <TEXT>
    Document 35 - file: ourstructure2020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>s4ex251exhibit2.jpg
    <TEXT>
    Document 36 - file: s4ex251exhibit2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>s4ex251exhibit3.jpg
    <TEXT>
    Document 37 - file: s4ex251exhibit3.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>