Yes. The limits are summarized in the following table:
| Commodity
| Maximum acreage for a permit or lease
| Maximum acreage of permits and leases in any one State
| Maximum acreage in permits and leases nationwide
|
|---|
| (a) Phosphate | 2,560 acres | None | 20,480 acres.
|
| (b) Sodium | 2,560 acres | 5,120 acres (may be increased to 30,720 acres to facilitate an economic mine) | None.
|
| (c) Potassium | 2,560 acres | 96,000 acres (larger if necessary for extraction of potassium from concentrated brines in connection with an existing mining operation) | None.
|
| (d) Sulphur | 640 acres | 1,920 acres in 3 leases or permits | None.
|
| (e) Gilsonite | 5,120 acres | 7,680 acres | None.
|
| (f) Hardrock Minerals | 2,560 | None | None.
|
| (g) Asphalt | 640 acres | 2,560 acres | Only available in Oklahoma. |