Bedford County Mask (Dark Background)

This layer was originally created using using a global background and the authoritative administrative boundary for Bedford County. This background mask layer emphasizes figure-ground relationships by showing a semi-transparent dark fill everywhere except Bedford County. Designed for general cartographic use in web applications. There is a light alternative at: Bedford County Mask (Light Background) There are Town of Bedford equivalents at: Town of Bedford Mask (Light Background) Town of Bedford Mask (Dark Background) The Bedford GIS Team is resonsible for maintaining the data. This layer is expected to be maintained indefinitely.本图层最初基于全球底图与贝德福德县（Bedford County）官方行政界线制作而成。该背景遮罩图层通过在除贝德福德县以外的全域填充半透明深色色块，强化图形-背景的视觉对比关系，专为网络地图应用中的通用制图场景设计。其浅色版本可参见：Bedford County Mask (Light Background)；贝德福德镇的对应版本可参见：Town of Bedford Mask (Light Background)、Town of Bedford Mask (Dark Background)。贝德福德地理信息系统（GIS，Geographic Information System）团队负责本数据的维护工作，本图层预计将长期持续维护。