midnight
Arriving at Dead Line , it was met there by Buffalo Bill , Surgeon Powell , and Wallace Weston , and the eight miners joined them and went up to the scout 's basin camp . Then , with the two leaders taken from Harding 's coach , they had , with Wolf 's horses and the pack-animals , enough to mount the party . The next morning the start was made for the Grand Cañon , and the descent was made on foot in the darkness of night , the horses having been left on the rim . The party were led by Wallace Weston , who knew the trail perfectly , and at midnight they rushed in upon the outlaw camp , giving them a complete surprise . Revolvers rattled , cries of alarm and pain were heard , cheers were given , and then silence reigned supreme , for the battle was won and four outlaws had been made prisoners -- the rest were killed . One miner had been killed , and others wounded , though slightly , and these were cared for by Doctor Powell . In the camp the prisoner , Bernard Brandon , was found safe , but still unconscious of all about him , apparently .