I. Introduction

II. The Mineral Lease

III. Losing the Mineral Lease … 1. Abandonment … 2. Special limitation … 3. Conditions … 4. Covenant … 5. Covenant coupled with a condition

IV. Forfeiture for Breach of an Implied Obligation to Develop or Work a Mineral Lease

V. Losing a Mineral Lease in Nebraska … A. Cases … B. Statutes … C. Application

VI. Forfeiture of Gravel Leases in Nebraska

VIII. The Alternative Decree

IX. Observations on Gravel Leases in Nebraska

X. Gravel Mining in Nebraska

XI. Conclusion