"Yes, the rocks and soil on the hill a few dozen feet away are black, and when the wind blows, black ash comes.

"

Erkui said helplessly: "There is also that ditch over there. The water is also black. We haven't bathed for several days.

"

"Is there this kind of stone on the mountain?"

Jin Feng suddenly picked up a walnut-sized stone from the ground and asked.

"Yes, that's it.

"

Erkui said: "Brother Liang asked us to go to the mountain to dig this for the catapult. I don't know who brought a piece in. Sir, give it to me. I'll throw it away."

"

"Don't throw it away, this is a treasure!"

Jin Feng smiled and said: "Heishui ditch, it turns out this is Heishui ditch.

"

"gentlemen?"

Erkui looked at Jin Feng worriedly.

Could it be that Sir was frightened by the bandits?

Holding a dirty rock and calling it treasure?

Not only Erkui, but also Guan Xiaorou, who supported Tang Xiaobei and followed him into the house, also felt that something was wrong with Jin Feng.

But looking at Jin Feng's appearance, he didn't look like he was in a daze anymore. He asked curiously: "Master, what is this?"

"As long as this kind of stone appears, if you dig deeper, you will be able to dig out coal.

"

Jin Feng said excitedly: "The water in that ditch is black, probably dyed black by charcoal.

"

The mountainous area Erkui mentioned just now is probably a shallow coal mine, or even an open-pit coal mine. After the rainwater seeps in, it gathers in the small river at the foot of the mountain, and the river water will naturally turn black.

"Charcoal?"

Guan Xiaorou and Tang Xiaobei were both shocked.

They knew that Jin Feng had been looking for coal.

It's just that Dakang has not yet mined and used coal resources on a large scale, so every time it has to go far away to buy it.

Every load of pebbles shipped to Xihewan is several times more expensive than charcoal.

But even so, Jin Feng is still increasing the amount of coal purchased.

If there is coal in Heishui Valley, we can save a lot of money in the future.

"Where is that hillock you mentioned? Take me to see it quickly!"

Jin Feng was also very excited and had no time to arrange for Guan Xiaorou and the two of them, so he took Erkui out.

Erkui had no choice but to take Jin Feng to the hill with a torch.

Jin Feng took the torch and didn't mind it being dirty, so he lay down on the ground and observed carefully.

After staring at the ground for more than ten minutes, Jin Feng got up again.

At this time, his hands, face and clothes were all dirty.

But an excited smile appeared on Jin Feng's face.

He has confirmed that this hillside is definitely a coal mine, and the quality of the coal is very good.

The smelting workshop has been unable to develop, and the lack of coal is the biggest reason.

Now with this coal mine, Jin Feng will no longer have to worry about coal for at least a few years.

A few years later, Jin Feng himself did not know what the Jinchuan Chamber of Commerce and the Zhenyuan Escort Agency would develop into.

"Erkui, why did you bring your husband to this dirty place in the middle of the night?"

Zhang Liang finished arranging things and went to the small city tower to find out that Jin Feng had come to Montenegro, so he hurriedly looked for him.

"Brother Liang, don't blame him, I came here.

"

The discovery of the coal mine dissipated a lot of the anxiety in Jin Feng's heart, and he explained with a smile: "Also, although this place is dirty, there are treasures buried underground.

"

"What baby?"

"Coal!"

"Sir, have you read it wrong?" Zhang Liang said: "The stove on the upper floor of the small city is made of this kind of stone. If it were made of charcoal, it would have been burned long ago.

"

"Of course this kind of stone cannot be burned, but as long as this layer of stone is dug out, there will be coal underneath.

"

Jin Feng said confidently.

Coal can be said to be the foundation of industry. In his previous life, he had taken it as an elective course, so there was absolutely no way he could admit his mistake.

"If so, it's really a treasure land!"

Zhang Liang was also pleasantly surprised: "The Heishui ditch is even more important!"

He also heard Mancang say that Jin Feng had been spending a lot of money to buy coal, and there was never enough.

The two chatted for a while on the Black Mountain and were about to go back down the mountain when they suddenly heard the faint sound of horse hooves in the distance.

"Why is there a cavalry?"

Zhang Liang squinted his eyes and looked into the distance.

But it was already late at night, and although there was a moon, we could only see the shadow of the cavalry, and we couldn't see who it was.

For safety reasons, Zhang Liang raised his hand and fired a loud arrow.

Upstairs in the small city, the veterans responded immediately.

Erkui was about to put out the torch when he heard a scream coming from the other side.

"Sir, Brother Liang, it's Xiangjian!"

Erkui smiled and said: "He is one of our own.

"

"Let's go down and see who it is.

"

Jin Feng and the others followed the path back to the small tower.

Qing Mulan and others heard the noise and came out.

Soon, the cavalry arrived.

Iron Hammer didn't wait for the horse to stop before he jumped off the horse.

Seeing that Jin Feng and the others were okay, as well as Tie Hammer and the veterans behind him, the female soldiers all breathed a sigh of relief.

But at this time, Jin Feng's face was covered with black ash, and he looked dirtier than a beggar in the county who hadn't bathed in three years.

A person who usually loves to be clean, but now he was so dirty, which made Tie Zhui feel very uncomfortable.

"Sir, you...how did you..."

Tie Hui slapped himself in the face: "Sir, we are late and you have to suffer!"

"This matter has nothing to do with you, I can't blame you.

"

Jin Feng asked: "By the way, what brings you here?"

"A hunter named Han Feng went to the village to report that my husband had been robbed and killed by bandits. The village chief immediately asked me to come with the cavalry.

"

Iron Hammer said: "Not only us, almost all the men in the village are here, but they may not arrive until late at night.

"

"Han Feng?" Jin Feng was stunned.
To be continued...