To restore plural underground water veins cut off by soil cement walls in steel pipe column row earth retaining walls.

Steel pipe column row earth retaining walls A, A having earth retaining walls A2 of only soil cement are created by sandwiching the construction ground C. In that case, in execution work for respectively cutting off upper/ lower plural underground water veins D1, D2 by the steel pipe column row parts A1 and the soil cement wall parts A2, a part 1a of a steel pipe is fastened by being sunk up to the vicinity of the upper underground water vein D, and after finishing construction, the opening parts 5 are arranged in the soil cement walls A2 under them through the steel pipes 1a. Then, partition walls 9 are arranged in the opening parts 5 to form water passing holes 6a, 6b respectively and separately communicating with the underground water veins D1, D2.