The way proved slow and difficult, even with surefooted animals and Durwin's knowledge of the more passable routes.

In that border area there was only one passable route between Arizona and Mexico, a passage known as Guadalupe Canyon.

The discovery of a passable route around Cape Bojador marked the beginning of the Portuguese exploration of Africa.

The road is not only quickest-it seems to be the only passable route for several miles ahead.

But Italian officials say the valley was a deviation from the planned route and unnecessary on a day when postcard-perfect weather made the authorized route easily passable.

The level of service provided may be diminished due to a lower demand for service, fewer operators being available, or fewer passable routes.

It was named in honor of the railroad's first chief engineer, Theodore Dehone Judah, who had championed and surveyed a passable route over the Sierra Nevada Mountains for the Transcontinental Railroad.

But Jake had been this way enough times now to have worked out a passable route for himself through the harsh terrain.

It directly links with Highway 152, one of a small number of passable routes across the Coast Ranges between Monterey Bay and the Central Valley.

He lay on his back in the narrow tube and balanced the blueprint holocube on his belly, picking out a new and safer route not necessarily passable to a couple of husky troopers.