Minefields may also have marked or unmarked safe routes to allow friendly movement through them.

Former or unmarked routes are indicated by an asterisk.

The trail is basically just an unmarked route along old guide and game trails.

Legally, Highway 252 is defined as part of unmarked legislative route 110 in the Minnesota Statutes.

It was an unmarked route that looked as if it had been hacked out of the brush with a butter knife.

Gateway to Death 237 The unmarked route was steep and slippery, winding up toward a pass between two peaks.

The unmarked normal route runs over the Hocheis Cirque (Hocheiskar) up to the summit from the west.

Plying their unmarked route, they are as constant and punctual as commuters heading for the 7:27 - yet free as the wind.

Rather than stopping the flow of immigrants, the measures may be forcing smugglers onto uncharted, unmarked routes.

Skiing and snowboarding are available on 39 marked trails and many unmarked routes.