United States, Minnesota, Washington, Falls Creek Scientific Natural Area. Washington Co. In the St. Croix Valley, about 2 mi NE of Scandia; along the railroad right-of-way. SW1/4 NW1/4 sec.7, T3 Washington Co. In the St. Croix Valley, about 2 mi NE of Scandia; along the railroad right-of-way. SW1/4 NW1/4 sec.7, T32N R19W. 032N 19W 7