Storage units broken into in Marquette County SANDS TOWNSHIP, MI (wnmu) - Michigan State Police from the Negaunee Post are investigating the break-ins of several storage units in Marquette County. Troopers say the units are on M-553 in Sands Township. They believe the break-ins occurred Wednesday in the early morning hours. Troopers are asking anyone with information regarding the crime to call the post at 475-9922. © Copyright 2009, wnmu