rustic falls on glen creek within yellowstone national park within yellowstone national park wyoming usa wpa poster art

administration america area art arts artwork canyon conservation creek deal design falls federal flat flora forest forestland formation glen graphic illustration lake landscape meadow monument mountain mountains national natural nature new nostalgia park poster print printing program project protected range remote retro revivalism river rock rocky rustic scenery screen silk states style throwback united upper usa vector vintage visual waterfall wilderness works wpa wyoming yellowstone