Pennsylvania Coal v. Mahon: Difference between revisions

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Latest revision as of 23:57, April 23, 2024

Pennsylvania Coal v. Mahon
Court Supreme Court of the United States
Citation 260 U.S. 393
Date decided December 11, 1922
Appealed from Pennsylvania Supreme Court

Facts

  • Pennsylvania Coal Co. = "Penn" = owner of a parcel rich in sub-surface coal = a coal-mining company
  • In 1878, Penn deeded the surface rights to Mahon while retaining the right to mine sub-surface minerals
  • The deed stipulated that Mahon would accept the risks associated with Penn's coal mining activities
  • In spite of the risks spelled out in the deed, Mahon built a house on the land subject to coal-mining activities
  • In 1921, Pennsylvania enacted the Kohler Act (which prohibited coal mining that might threaten any residential structure above land)

Procedural History

  • Mahon sued Penn seeking an injunction against Penn in accordance with the newly-passed Kohler Act
  • Mahon lost in the court of common pleas in Pennsylvania.
  • Mahon won in the Supreme Court of Pennsylvania

Issues

Is the Kohler Act's prohibition on mining coal below residences a taking?

Holding

Oliver Holmes : A regulation that goes too far constitutes a taking & requires just compensation.

The Kohler Act goes beyond the state's police power.

Judgment

Reversed

Rule

Resources