Directions: 1.5 miles E of Scandia on Hwy 97, then S .25 mile on Hwy 95, then .5 mile SE on CR 53, then .25 mile E on 205th St N to the St. Croix River, then 1 mile N by boat. Description: Rustrum WMA is a 24 acre area located along the St. Croix River. It consists of about 83% open water and emergent vegetation marsh and about 17% flood plain forest.