WALLA WALLA, Wash. – The paved trail on the north side of Mill Creek -- from Rooks Park to the metal bridge at the office parking lot -- will be temporarily closed to all visitors Monday through Wednesday, March 17-20, from 7 a.m.to 4 p.m., to accommodate the pruning and\or removal of selected hazardous trees along the trail, U.S. Army Corps of Engineers officials at the Mill Creek Office announced today.