Quad Neatlines (1989)

Boundary outlines or neatlines for USGS TOPO 7-5 minute quadrangle map series for Rhode Island, including bordering state areas. Map outline index for general mapping and GIS use. These data originally published by RIGIS in 1989; not suitable for use with new US Topo maps produced by the USGS.本数据集包含美国地质调查局（United States Geological Survey, USGS）面向罗德岛州的7.5分幅四边形地形图系列的边界轮廓线（neatline，亦称图廓线），同时涵盖罗德岛州接壤的州域范围。本数据集可为通用制图及地理信息系统（Geographic Information System, GIS）应用提供地图轮廓索引支持。该数据集最初由罗德岛地理信息系统（Rhode Island Geographic Information System, RIGIS）于1989年发布，不适用于美国地质调查局后续生产的新型US Topo地形图。