bridalveil fall the most prominent waterfalls in yosemite valley within yosemite national park california usa wpa poster art

administration america area art arts artwork bridalveil california canyon conservation creek deal design fall federal flat flora forest forestland formation graphic illustration lake landscape meadow monument mountain national natural nature nevada new nostalgia park poster print printing program project protected range remote retro revivalism river rock scenery screen sierra silk states style throwback united usa valley vector vintage visual waterfall waterfalls wilderness works wpa yosemite