 Casualties were cared for by medical officers , stretcher bearers , camel drivers and sand @-@ cart drivers who worked <unk> , often in the firing line , covering enormous distances in difficult conditions and doing all they could to relieve the suffering of the wounded . The casualties were transported on <unk> on camels or in sand @-@ carts back to the field ambulances , as the heavy sand made it impossible to use <unk> or horse @-@ drawn ambulances . Between 4 and 9 August , the Anzac Mounted Division 's five field ambulances brought in 1 @,@ 314 patients , including 180 enemy wounded . 
