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. [61 FR 5481, Feb. 12, 1996, as amended at 66 FR 45769, Aug. 30, 2001; 73 FR 15892, Mar. 26, 2008]