exhibit 10. 4 this coal sales order ( “ order ” ) dated april 18, 2007 confirms the sale of coal by westmoreland coal sales company ( “ wscs ” ) to red trail energy, llc ( “ buyer ” ) pursuant to the following terms and conditions. order number : red trail wcsc # 001 - 2007 source : the source of the coal to be delivered hereunder shall be from western energy company ’ s ( : “ weco ” ) rosebud mine located at colstrip, montana. wcsc and buyer may discuss the potential to also supply coal from the westmoreland resources, inc. ( “ wri ” ) absaloka mine at sarpy creek, montana, dakota westmoreland corporation ( “ dwc ” ) beulah mine at beulah, north dakota. weco and dwc are affiliates of wcsc. term : april 18, 2007 through december 31, 2007. buyer has the option to order coal for ( i ) subsequent calendar year 2008, or ( ii ) subsequent calendar years 2008 and 2009. buyer must exercise the option, if at all, regardless of whether the exercise is for just calendar year 2008 or for both calendar years 2008 and 2009, no later than october 1, 2007. quantity : for the period april 18 through december 31, 2007, buyer will purchase and wcsc shall sell a minimum of one ( 1 ) twenty - four to thirty ( 24 - 30 ) car oddlot shipments from the weco ’ s rosebud mine per week or as otherwise scheduled by the parties to reasonably pro rate delivery volumes throughout the term, given that deliveries might not commence until may or june 2007. wcsc shall coordinate and schedule with buyer the train cars required for delivery of the oddlot shipments of coal, however, all such coal shall continue to be sold f. o. b. the mine. buyer and wcsc shall determine by mutual agreement if and when buyer can accept unit trains of coal from the rosebud mine and / or absaloka mine in the future, or as an alternative, accept deliveries of lignite from the beulah mine or a mixture of lignite with coal from the other mines. the total quantity of coal delivered during april 18 through december 31, 2007 will not exceed 40, 000 tons unless otherwise agreed by the parties. if buyer exercises its option for 2008 and 2009, the quantities for subsequent full calendar years will be no less than 95,