Creep gauges will not tell you where the neighborhood creep lives. Instead, they tell you whether a crack in your foundation wall is getting worse or not. You firmly glue and/or screw the two halves of the gauge on opposite sides of a suspicious fault line, with the crosshairs exactly lined up at the center of the grid. If you come back a few weeks later and the lines are not centered, you have a serious problem.
Location: Box 67
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