The valleys are shaped by three mountain ranges : the Alaska Range , the Chugach Mountains and the Talkeetna Mountains . The Matanuska-Susitna Valley was carved by glaciers The valleys are shaped by three mountain ranges : the Alaska Range , the Chugach Mountains and the Talkeetna Mountains . The Matanuska-Susitna Valley has been carved by glaciers .
Lembah dibentuk oleh tiga banjaran gunung: Banjaran Alaska, Pergunungan Chugach dan Pergunungan Talkeetna. Lembah Matanuska-Susitna diukir oleh glasier Lembah ini dibentuk oleh tiga banjaran gunung: Banjaran Alaska, Pergunungan Chugach dan Pergunungan Talkeetna. Lembah Matanuska-Susitna telah diukir oleh glasier.