Maine County Boundary Polygons Feature

Maine County Boundary Polygons contains county boundary polygons for all sixteen counties in Maine, mapped at the 1:24,000 scale. The data layer has polygon topology and was originally created in ArcInfo using METWP24P with a selection on arcs coded "TYPE=state,county, and coastline".缅因州县界多边形数据集包含缅因州全部16个县的县界多边形要素，制图比例尺为1:24000。该数据图层具备多边形拓扑结构，最初使用ArcInfo软件并依托METWP24P工具，通过筛选编码为"TYPE=state,county, and coastline"的弧段完成创建。