Pacific Rim Presents the Story of the Missoula Flood with a Missoula Flood Map: The Story of Washington’s Columbia Valley Soils Fifteen thousand years ago during the last Ice Age, an enormous two thousand foot high ice dam formed near what is now the northern border of Montana...
Size: Horizontal format approx 27 1/2" x 16" Matte finish paper. Very good condition. Sepia tone color map. Colors bright,--never has been mounted. No tears or thumbtack holes. Rolled in tube.