Guard Locks USGS Lowell Quad, Massachusetts, Topographic Map

Guard Locks is a Dam in the state of Massachusetts (county of Middlesex), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 42.64342 and W -71.32895. Guard Locks is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Lowell quad. The nearest major town is Lowell, MA.