In it were star charts, military and trade routes, a thousand useful details to an enemy bent on conquest.
The military route seemed to have reached a dead end.
The presidio was at the crossroads of several major trade and military routes.
Subsequent wars, too, brought their own miseries as the region once again became a military route.
Parts of the former military route are now used as the West Highland Way.
It crossed through relatively neutral territory, and was therefore Europe's most preferred military route.
Faced with these choices, the Administration may well go the military route.
The military route to resolving conflicts can't be relied upon to work any longer.
Numerous calls for a return to negotiations have always been totally ignored and unfortunately, the military route has prevailed.
The presidio now sat at the heart of several major trade and military routes.