Bureau of Land Management Instruction Memo. 2009-184 (Jul. 24, 2009)

(guidance requires notification of split-estate surface owners when subsurface included in a lease sale; companies nominating parcels on split-estate lands must provide name and address of the surface owners for BLM to process the nomination; requirement to include such information effective immediately, but requirement to notify landowners effective beginning with October 2010 lease sales).