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 acres | 20,480 acres in permits and leases, 10,240 acres in leases, but can be increased to 20,480 if needed for orderly mine development | None. |
(g) Asphalt | 640 acres | 2,560 acres | Only available in Oklahoma. |
43 C.F.R. §3503.37