caprock canyons state park and trailway along the llano estacado in briscoe county texas usa wpa poster art

administration and area art artwork briscoe canyon canyons caprock conservation county deal desert design estacado federal flora forest forestland geologic graphic haynes illustration landscape llano meadow monument mountain national natural nature new nostalgia park parks portrait poster preserve print printing program project protected public range recreation retro revivalism ridge scenery screen silk state states texas trailway united usa vector vintage wilderness works wpa