four o'clock
`` The outfits are so heavy , Jack . '' `` True , my boy , but thet ca n't be helped . We 'll be lucky if our grub holds out . '' It was after four o'clock when they reached the top of the hill . Had it been clear they might have seen for many miles around them , but now the dullness in the sky hid what was in the distance from view . `` Lion Head is over thar , '' said Jack Wumble , pointing with his hand . `` An ' Twin Rocks ca n't be far off . ''