UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	March 27, 2020 9:00 A.M.

Form:	S-4
CIK: 0000764065 Company Name: CLEVELAND-CLIFFS INC. File Number: 333-237325
CIK: 0001805940 Company Name: AH Management, Inc. File Number: 333-237325-22
CIK: 0001489719 Company Name: AKS INVESTMENTS, INC. File Number: 333-237325-21
CIK: 0000918192 Company Name: AK STEEL CORP File Number: 333-237325-20
CIK: 0000918160 Company Name: AK STEEL HOLDING CORP File Number: 333-237325-19
CIK: 0001618312 Company Name: AK STEEL PROPERTIES, INC. File Number: 333-237325-18
CIK: 0001489721 Company Name: AK TUBE LLC File Number: 333-237325-17
CIK: 0001729025 Company Name: Cliffs Mining Co File Number: 333-237325-16
CIK: 0001729031 Company Name: Cliffs Minnesota Mining Co File Number: 333-237325-15
CIK: 0001729035 Company Name: Cliffs TIOP Holding, LLC File Number: 333-237325-14
CIK: 0001729033 Company Name: Cliffs TIOP, Inc. File Number: 333-237325-13
CIK: 0001729043 Company Name: Cliffs TIOP II, LLC File Number: 333-237325-12
CIK: 0001729044 Company Name: Cliffs UTAC Holding LLC File Number: 333-237325-11
CIK: 0001785182 Company Name: IronUnits LLC File Number: 333-237325-10
CIK: 0001729132 Company Name: Lake Superior & Ishpeming Railroad Co File Number: 333-237325-09
CIK: 0001699659 Company Name: Mountain State Carbon, LLC File Number: 333-237325-08
CIK: 0001729119 Company Name: Northshore Mining Co File Number: 333-237325-07
CIK: 0001806008 Company Name: PPHC Holdings, LLC File Number: 333-237325-06
CIK: 0001729117 Company Name: Silver Bay Power Co File Number: 333-237325-05
CIK: 0001806010 Company Name: SNA Carbon, LLC File Number: 333-237325-04
CIK: 0001729019 Company Name: Cleveland-Cliffs Iron Co File Number: 333-237325-03
CIK: 0001729114 Company Name: Tilden Mining Co L.C. File Number: 333-237325-02
CIK: 0001729113 Company Name: United Taconite LLC File Number: 333-237325-01