Results: 1 - 4 of 4
Mar 07, 2010
Information Series
… black shale in the Birch Mountains, Burmis magnetite, …
Dec 31, 2001
Information Series
… flowing down from the Rocky Mountains and winding through the … erosion. To our west, the Rocky Mountains bring warm Chinook winds, …
Dec 31, 1972
Information Series
… areas (Fig. 2): the Birch Mountains to the west of the … located on the top of the Birch Mountains and form an …
Mar 31, 1949
Information Series
… occurring in the Rocky Mountains, and sands occurring on …