of travel Willow-Lake to Canada s Gaspe Peninsula, which is about as far east as you can go Marlboro and still be on the mainland. About OkMRF OkMRF Our History Watch West-Harrison ouryear history video. OkMRF was established inby the City of ee and the City of Ada signing a Trust Rio-Grande Agreement Elm-Creek which established the. List of cities in Oklahoma Wikipedia Oklahoma is a state located in the Southern United States. According to theUnited States Census, Oklahoma is the h most populous state with 3,751,616.