Baitan Pass into the desert

"You speak well, O Guo Jia," said Cao Cao.
He led ugg boots clearance his legions, heavy and light, to the edge of the desert, with many wagons. The expedition marched into the Gobi Desert. The rolling ocean of yellow sand spread its waves before them, and they saw far and near the eddying sand pillars, and felt the fierce winds that drove them forward. The road became precipitous and progress difficult. Cao Cao began to think of returning and spoke thereof to Guo Jia, who had advised the journey.
Guo Jia had speedily fallen victim to the effects of the climate, and at UGGS Clearance this time he lay in his cart very ill.
Cao Cao's tears fell as he said, "My friend, you are suffering for my ambition to subdue the Gobi Desert. I cannot bear to think you should be ill."
"You have always been very good to me," said the sick man, "and I can never repay what I owe you."
"The country is exceedingly precipitous, and I am thinking of going back. What think you?"
Guo Jia replied, "The success of an expedition of this kind depends upon celerity. To strike a sudden blow Jordan Heels on a distant spot with a heavy baggage train is difficult. To ensure success the need is light troops and a good road to strike quickly before an enemy has time to prepare. Now you must find guides who know the road well."
Then the sick adviser was left at Yezhou for treatment, and they sought among the natives for some persons to serve as guides. Tian Chou, one of Yuan Shao's old generals, knew those parts well, and Cao Cao called him and questioned him.
Tian Chou said, "Between autumn UGG Boots Discount and summer this route is under water, the shallow places too heavy for wheeled traffic, the deep parts insufficient for boats. It is always difficult. Therefore you would do better to return and at Lulong cross the Baitan Pass into the desert. Then advance to Liucheng and smite before there is time to prepare. One sudden rush will settle King Mao Dun."
For this valuable information and plan, Tian Chou was made General Who Calms the North, and went in advance as leader and guide. Next after him came Zhang UGG Boots Clearance Liao, and Cao Cao brought up the rear. They advanced by double marches.
Tian Chou led Zhang Liao to White Wolf Hills, where they came upon Yuan Xi, Yuan Shang, and King Mao Dun and a force of ten thousand cavalry. Zhang Liao galloped to inform his chief, and Cao Cao rode up to the top of an eminence to survey the foe. He saw a large mass of cavalry without any military formation advancing in a disorderly crowd.