. . . . "1.813E9" . . . "Lake Mistassini" . . . . . . . . . "Lac Mistassini" . . . "Lake Superior" . "183.0" . . "Mistassini-Otish impact structure" . "Mistassini Lake" . "19000.0" . . . . "2.335E9" . . . "lake Mistassini" . . "161000.0" . . . "Mistassini" . . . "372.0" . "Lake Mistassini" . . "1.5E11" . .