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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: February 7, 2013 4:00 P.M.
Form: S-4
CIK: 0001489137
Company Name: Molycorp, Inc.
File Number: 333-185126
CIK: 0001562227
Company Name: Molycorp Metals & Alloys, Inc.
File Number: 333-185126-05
CIK: 0001562261
Company Name: Molycorp Minerals, LLC
File Number: 333-185126-04
CIK: 0001562328
Company Name: PP IV Mountain Pass Inc.
File Number: 333-185126-03
CIK: 0001562329
Company Name: PP IV Mountain Pass II, Inc.
File Number: 333-185126-02
CIK: 0001562332
Company Name: RCF IV Speedwagon Inc.
File Number: 333-185126-01