---
kind: "unit"
title: "43"
title_heading: "Public Lands: Interior"
key: "subtB/chII/subchC/part3930/subpart3931"
level: "subpart"
label: "Subpart 3931"
heading: "Plans of Development and Exploration Plans"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/43/subtB-chII-subchC-part3930-subpart3931"
sections_count: 11
---

# Subpart 3931 — Plans of Development and Exploration Plans

Title 43 C.F.R. — Public Lands: Interior › Subtitle B — Regulations Relating to Public Lands › Chapter II — Bureau of Land Management, Department of the Interior › Subchapter C — Minerals Management (3000) › Part 3930 — Management of Oil Shale Exploration and Leases

## Sections

- [§3931.10. Exploration plans and plans of development for mining and in situ operations.](/cfr/43/3931.10.md)
- [§3931.11. Content of plan of development.](/cfr/43/3931.11.md)
- [§3931.20. Reclamation.](/cfr/43/3931.20.md)
- [§3931.30. Suspension of operations and production.](/cfr/43/3931.30.md)
- [§3931.40. Exploration.](/cfr/43/3931.40.md)
- [§3931.41. Content of exploration plan.](/cfr/43/3931.41.md)
- [§3931.50. Exploration plan and plan of development modifications.](/cfr/43/3931.50.md)
- [§3931.60. Maps of underground and surface mine workings and in situ surface operations.](/cfr/43/3931.60.md)
- [§3931.70. Production maps and production reports.](/cfr/43/3931.70.md)
- [§3931.80. Core or test hole samples and cuttings.](/cfr/43/3931.80.md)
- [§3931.100. Boundary pillars and buffer zones.](/cfr/43/3931.100.md)