43 CFR § 3503.37 - Is there a limit to the acreage of lands I can hold under permits and leases?

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.

[64 FR 53536, Oct. 1, 1999, as amended at 65 FR 50449, Aug. 18, 2000]