NEUTRAL
Lock & Dam No. 4
Alma, United States
<center>Designed by and constructed under the direction of <br> <b>The Corps of Engineers, United States Army <br> 1932 – 1935 </b><br> Contractor for lock – Ouilmette Construction & Engineering Co. <br> Contractor for dam – United Construction Co. <br> Contractor for electrical work – S. C. Sachs, Inc.</center>