---
kind: "unit"
title: "30"
title_heading: "Mineral Resources"
key: "chIV"
level: "chapter"
label: "Chapter IV"
heading: "Geological Survey, Department of the Interior"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/30/chIV"
sections_count: 28
---

# Chapter IV — Geological Survey, Department of the Interior

Title 30 C.F.R. — Mineral Resources

## Contents

- [Part 400 — Part 400 [reserved]](/cfr/30/chIV-part400.md)
- [Part 401 — State Water Research Institute Program](/cfr/30/chIV-part401.md)
- [Part 402 — Water-Resources Research Program and the Water-Resources Technology Development Program](/cfr/30/chIV-part402.md)
- [Part 403-499 — Parts 403-499 [reserved]](/cfr/30/chIV-part403-499.md)