《明史·志·卷六十四》
命令御史严震直烧灼开凿陡峭山涧的石头，运送粮饷的道路终于开通。
命御史严震直烧凿陡涧之石，饷道果通。
Ordered the Imperial Historiographer Yan Zhenzhi to burn heat the stones carved on the steep mountain where the road was finally opened to transport food and pay.