Canada’s highest mountain is Mount Logan, 5,959 metres (19,551 ft) high. Due to tectonic activity, Mount Logan continues to gain height by an average of a few millimetres each year....
Either accent will work. In fact, as a Canadian, I can tell you that there are people from hundreds of countries living here and we can understand almost any accent....
An ellipsis in this situation indicates omitted content, and it doesn't discriminate. You can safely remove the semicolon: "A river watering the garden flowed from Eden..." Though you could also...