. "O" . . "Conowingo Pond" . . . . "Conowingo" . "Conowingo Reservoir" . . . . . . . . . "Conowingo Dam" . . . . "Conowingo Hydroelectric Plant" . . . "1926" . "1926 (completed in 1928)" . . . . . "28.6512" . . . . "Conowingo hydroelectric plant" . . . . . . . . . "G" . . "1928" . . "Conowingo Dam" . . . . "1416.7104" .