---
kind: "unit"
title: "30"
title_heading: "Mineral Lands and Mining"
key: "ch18"
level: "chapter"
label: "Chapter 18"
heading: "Coal Research and Development"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/30/ch18"
sections_count: 7
---

# Chapter 18 — Coal Research and Development

Title 30 — Mineral Lands and Mining

## Sections

- [§661. Short title; definitions](/usc/30/661.md)
- [§662. Powers and duties of Secretary](/usc/30/662.md)
- [§664. Repealed.](/usc/30/664.md)
- [§665. Sites for conducting research; availability of personnel and facilities](/usc/30/665.md)
- [§666. Public-availability requirement; national defense; patent agreements](/usc/30/666.md)
- [§667. Repealed.](/usc/30/667.md)
- [§668. Authorization of appropriations](/usc/30/668.md)