The area boundaries were rationalized and the Rio Grande was re-channeled.

The area boundary largely reflects de Trafford's original estate boundaries.

It encourages skiers, snowboarders and snowshoers to join naturalists on tours within ski area boundaries.

Roaming beyond ski area boundaries, young adventurers push into wilderness areas, seeking the freedom of uncut powder.

All subject area outcomes are clearly defined, but learning is linked across these subject area boundaries.

You must never allow yourself to be crowded out, neither must you retreat so far that you overstep the area boundary.

Frontcountry: off-trail within ski area boundaries where ski lifts and emergency services are close at hand.

Backcountry: skiing in remote areas not within ski area boundaries.

We have an area boundary marked here, and anyone who skis outside it does so at his own risk.

In Laos, up to 200 individuals were estimated to inhabit protected area boundaries in the mid-1990s.