one o'clock
`` Nature is reasserting her dominion , '' he said , aloud . `` Mining is a wounding business -- like murder . '' The girl glanced away to the south . `` We 'll have to hurry if we reach camp by one o'clock , '' she called , and he waved his hand as a sign of surrender to her leadership . They overtook a long train of burros bearing a most miscellaneous cargo of odds and ends of machinery , nail-kegs , iron-rods , bundles of bolts , lumber , oil , and boxes of groceries . `` This is all father 's -- all for the new mill , '' said the girl , nodding and smiling at the Mexicans in charge of the donkeys . `` Hello , Clint ! ''