defined: def: established in a legal document such as a treaty or property survey, ex. the Oregon Treaty of 1846, which established the border between the US and Canada in the northwest at the 49th parallel, delimited: def: lines are drawn on a map, ex. map showing boundary between US & canada, demarcated: def: objects such as signs are placed on the landscape, ex. placard marking the boundary between the US & Canada, administered: def: regulation of activity at the boundary, such as crossing and monitoring, ex. cars stopping to allow officers to check IDs of those crossing the boundary,

4.5 4.B.1 Nature of Boundaries

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