The Liuliang Tunnel Tunnel Site area is located in the Yellow Land Landscape Area, the engineering geological division is Area I, and the micromorphology belongs to the erosion of the beam and thelandscape. The ground elevation at the tunnel axis is between 1709 and 1918m, the maximum height difference is about 209 meters, the natural slope of the tunnel inlet mountain is slower, the natural slope is 10 to 20 degrees, and the exit is about 20 to 30 degrees. There are obvious cliffs at the exit of the tunnel. Mountain vegetation is for reclamation of drylands.<br>The Shuilo Tunnel Tunnel site area is located in the Yellow Land Landscape Area, the engineering geological division is Area I, and the micromorphology belongs to the erosion beam and beam landscape. The ground elevation at the tunnel axis is between 1575 and 1838m, with a maximum height difference of about 263 meters. There are no obvious trenches or cliffs within the axis. Mountain vegetation is arid land.
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