30 CFR § 1206.254
Quality and quantity measurement standards for reporting and paying royalties
July 29, 2020
For all leases subject to this subpart, the quantity of coal on which royalty is due shall be measured in short tons (of 2,000 pounds each) by methods prescribed by the BLM. Coal quantity information will be reported on appropriate forms required under 30 CFR part 1210—Forms and Reports.