ORN Blocked Passage

ORN Blocked Passage is a related table for Ontario Road Network (ORN) Road Net Element. For details and metadata go to Ontario Road Network (ORN) Road Net Element. Contact Ontario Ministry of Natural Resources and Forestry - Provincial Mapping Unit, [e-mail]安大略道路网封阻路段（ORN Blocked Passage）是安大略道路网（Ontario Road Network，ORN）道路网元（Road Net Element）的关联数据表。详细信息及元数据请参阅安大略道路网（ORN）道路网元相关内容。如需咨询，请联系安大略省自然资源与林业厅省级测绘部门，邮箱：[e-mail]