Non County Stormwater Culverts

Layer updated weekly.The Storm Culverts layer was generated using a combination of Construction drawings (as-builts), survey captured locations, orthophotos, and field inspection descriptions. The data is updated and maintained on a daily basis by DPW Technical Engineering Staff.本数据集图层每周更新。雨水涵洞图层（Storm Culverts layer）通过综合使用施工图纸（竣工图）、测量采集点位、正射影像图及现场勘查描述信息生成。该数据由DPW技术工程人员每日更新维护。