It blows, said Joe Wingate. As if to accent the words of the speaker a heavy gust of wind at that moment shook the long light wooden structure which served as the general store of Sidon settlement, in Contra Costa. Even after it had passed a prolonged whistle came through the keyhole, sides, and openings of the closed glass front doors, that served equally for windows, and filled the canvas ceiling which hid the roof above like a bellying sail.