becky falls or becka falls on becka brook on dartmoor national park devon england united kingdom uk art deco wpa poster art

administration area art arts artwork becka becky bed boulder boulderstrewn bovey britain british brook conservation creek dartmoor deal deco design devon england falls federal graphic great illustration kingdom landscape monument national natural nature new park pictorial picturesque portrait poster print program project protected retro river scenery travel united vector vintage visual waterfall wilderness works wpa