akhtuba river bolghar bolshaya kokshaga river bolshoy cheremshan river bolshoy irgiz river chapayevka river cheboksary hydroelectric station chistopol chusovaya river chuvashia distributary drainage basin europe geographic coordinate system gorky reservoir gypsum hydroelectricity ik river ilet river ivankovo reservoir izh river kama reservoir kama river kashinka river kazan kazanka river kerzhenets river kostroma river kotorosl river kudma river laishevo lake volta malaya kokshaga river maly irgiz river mari el mining mologa river moscow canal mulyanka river myosha river nizhnekamsk reservoir nizhny novgorod hydroelectric station novoulyanovsk oka river reservoir russia russian language rutka river rybinsk hydroelectric station rybinsk reservoir samara oblast samara river saratov hydroelectric station saratov reservoir selizharovka river sheksna river sheshma river shosha river smallwood reservoir sok river sura river sviyaga river sviyazhsk tatar alphabet tatar language tatarstan tereshka river togliatti tolyatti toyma river tributary tsivil river tvertsa river uglich reservoir ulyanovsk ulyanovsk oblast unzha river uzola river vazuza river vetluga river volga-baltic waterway volga-don canal volga hydroelectric station volga river volzhsk votkinsk reservoir vyatka river yeruslan river zay river zelenodolsk zhiguli hydroelectric station