mustang in pryor mountain wild horse range in carbon and big horn counties of montana wpa poster art

administration and area art artwork big billings canyon carbon conservation county deal design federal flora forest forestland free geologic graphic horn horse illustration landscape meadow montana monument mountain mustang national natural nature new nostalgia park parks portrait poster prairie preserve print printing program project protected pryor public range recreation retro revivalism roaming scenery screen silk stallion state states united usa vector vintage wild wilderness works wpa wyoming