13 CFR § 121.509
What is the size standard for leasing of Government land for coal mining?
November 10, 2020
A concern is small for this purpose if it:
(a) Together with its affiliates, does not have more than 250 employees;
(b) Maintains management and control of the actual mining operations of the tract; and
(c) Agrees that if it subleases the Government land, it will be to another small business, and that it will require its sublessors to agree to the same.