Hanna Mining Co. v. District 2
382 U.S. 181 · Decided December 6, 1965 · Supreme Court of the United States
Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.
At a glance
Hanna Mining Co. v. District 2 was decided on December 6, 1965 unanimously (9–0). The Court reversed the lower court's decision and remanded the case. Justice John M. Harlan II wrote the opinion of the Court. SCDB classifies its main issue as “Federal preemption of state court jurisdiction” in the Federalism area.
Read the opinion
Case details
- Citations
- 382 U.S. 181 · 86 S. Ct. 327 · 15 L. Ed. 2d 254 · 1965 U.S. LEXIS 2249
- Docket number
- 7
- Decided
- December 6, 1965
- Argued
- October 12, 1965
- Court era
- Warren Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Reversed and remanded
- Outcome for petitioner
- The petitioning party received a favorable disposition
- Vote
- 9–0 (unanimous)
- Majority opinion
- John M. Harlan II
- Opinion assigned by
- Earl Warren
- How the case arrived
- Certiorari
- Issue (SCDB)
- Federal preemption of state court jurisdiction
- Issue area
- Federalism
- Legal provision
- National Labor Relations Act
- Type of law
- Federal statute
- Decision direction (SCDB)
- Conservative what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Hugo L. Black | Majority | |
| Justice William O. Douglas | Majority | |
| Justice Tom C. Clark | Majority | |
| Chief Justice Earl Warren | Majority | |
| Justice John M. Harlan II | Majority | Wrote an opinion |
| Justice William J. Brennan Jr. | Special concurrence | Wrote an opinion |
| Justice Potter Stewart | Majority | |
| Justice Byron R. White | Majority | |
| Justice Abe Fortas | Majority |
Full case caption
Hanna Mining Co. et al. v. District 2, Marine Engineers Beneficial Association, AFL-CIO, et al.
SCDB identifiers: case 1965-021, docket 1965-021-01.
Related decisions
Other cases on “Federal preemption of state court jurisdiction”
- Linn v. United Plant Guard Workers of America
- Radio & Television Broadcast Technicians Local Union 1264 v. Broadcast Service of Mobile, Inc.
- Hattiesburg Building & Trades Council v. Broome
- Liner v. Jafco, Inc.
- Retail Clerks International Association v. Schermerhorn
- Avco Corp. v. Aero Lodge No. 735
Cases on the same legal provision: National Labor Relations Act
- National Labor Relations Board v. Metropolitan Life Insurance Co.
- Textile Workers Union of America v. Darlington Manufacturing Co.
- National Labor Relations Board v. Brown
- American Ship Building Co. v. National Labor Relations Board
- Fibreboard Paper Products Corp. v. National Labor Relations Board
- National Labor Relations Board v. Burnup & Sims, Inc.
Same Term, same area (Federalism)
- United States v. Louisiana
- United States v. Yazell
- United States v. California
- Linn v. United Plant Guard Workers of America
- Wallis v. Pan American Petroleum Corp.
Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error