four o'clock
He had often wondered that , but Park had a way of keeping things to himself , and Thurston could never quite bring himself to open the subject boldly . At any rate , if Park had heard , he hoped that he understood how it was and did not secretly despise him for it . Women , he told himself bitterly , are never quite just . After the four o'clock supper he and Bob MacGregor went up the valley to relieve the men on herd . There was one nice thing about Park as a foreman : he tried to pair off his crew according to their congeniality . That was why Thurston usually stood guard with Bob , whom he liked better than any of the others-always excepting Park himself . `` I brought my gun along , '' Bob told him apologetically when they were left to themselves .