Notes:"PROPERTY OF DIV. PL. SUPPV."
Bound collection of 30 Massachusetts 15" quadrangle maps, ranging from 1891 to 1925. The maps are annotated to show tracks of various calbes and boundaries. Hand written Key on each map: "U.G. Cable, Aerial Cable, Open Wire, Exch. Boundary, Dist. Boundary." Other penciled annotations appear to show trunk lines.