NLCS Summary Table
| Unit Type | Number | BLM Acres | BLM Miles |
|---|---|---|---|
| National Monuments | 31 | 11,178,595 | |
| National Conservation Areas | 19 | 3,870,485 | |
| Similar Designations | 6 | 454,723 | |
| Wilderness Areas | 263 | 10,185,931 | |
| Wilderness Study Areas | 487 | 11,118,496 | |
| Wild and Scenic Rivers | 81 | 1,207,694 | 2,699 |
| National Historic Trails | 14 | 5,336 | |
| National Scenic Trails | 5 | 683 | |
| Conservation Lands of the California Desert | N/A | 4,200,000 | |
| Totals | 906 | About 38 million (some units overlap) | 8,718 |