---
kind: "section"
citation: "30 U.S.C. § 287"
title: "30"
title_heading: "Mineral Lands and Mining"
number: "287"
heading: "Extension of prospecting permits"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/30/287"
units:
  - "Chapter 3A — Leases and Prospecting Permits"
  - "Subchapter IX — Potash"
---

# §287. Extension of prospecting permits


Any prospecting permit issued under this subchapter may be extended by the [Secretary](/usc/30/661.md?p=b-2) of the Interior for a period not exceeding two years, upon a showing of satisfactory cause.


## Source credit

(Feb. 7, 1927, ch. 66, § 7, as added May 7, 1932, ch. 174, 47 Stat. 151.)

## Notes

### Editorial Notes

### Codification

Section was not enacted as part of act Feb. 25, 1920, ch. 85, 41 Stat. 437, known as the Mineral Leasing Act, which comprises this chapter.