Chatham County - Water System Valves

Point features representing system valve locations for Chatham County, NC water systems. Chatham GIS SOP: "MAPSERV-122"本数据集涵盖北卡罗来纳州查塔姆县供水系统阀门点位对应的点要素（Point features）。查塔姆县地理信息系统（Geographic Information System，GIS）的标准作业程序（Standard Operating Procedure，SOP）编号为："MAPSERV-122"。