Case Type Code
A BLM classification code that identifies the type of mining claim or mineral entry in the federal records system.
Detailed Definition
A case type code is a classification identifier used by the Bureau of Land Management to categorize the type of mining claim, mineral entry, or land action in its records systems (LR2000/MLRS).
- MC: Mining Claim (general)
- ML: Mining Claim Lode
- MP: Mining Claim Placer
- MS: Mill Site
- TS: Tunnel Site
- MX: Mining Claim Exam
- MC-MS: Mining Claim with Mill Site
- AA: Application to Acquire
- OR: Oil and Gas Lease
- CC: Coal Lease
- RW: Right-of-Way
- WD: Withdrawal
- SE: State Selection
Uses of case type codes: - Classify records in BLM databases - Filter searches in LR2000/MLRS - Identify the nature of a land action at a glance - Track different types of mineral entries - Generate statistical reports on claim activity
Research applications: When researching mining claims in BLM databases, case type codes help distinguish between different types of entries affecting the same land. Understanding these codes is essential for interpreting BLM serial register pages and land status records.
Related Terms
BLM
The Bureau of Land Management, the federal agency that administers public lands including mining claim filings and maintenance.
BLM Serial Number
A unique identifier assigned by the BLM to each mining claim upon recording, used to track claims in the federal records system.
Disposition Code
A BLM status code indicating the current state of a mining claim, such as active, closed, or void.
Land Status
The current legal status of a parcel of public land, including ownership, withdrawals, reservations, and available entry types.