Phoenix landed in the Green Valley of Vastitas Borealis on May 25, 2008, in the late Martian northern hemisphere spring (Ls=76.73), where the Sun shone on its solar panels the whole Martian day.
Sumas River (Wikipedia) The Sumas River is a river in the Fraser Lowland and a tributary of the Fraser River system, coursing across the international border between the Canadian province of British Columbia and the U.S. state of Washington.
