A Natural History of the Mid-Atlantic
Calvert County Maryland, United States(MD) (Smithsonian Associates) The geography and environment of the Mid-Atlantic were shaped over hundreds of millions of years, reflecting influences that include the impact of a massive meteor; four tectonic mountain-building events; ice sheets and tropical oceans; plants and animals; and at least 15,000 years of human habitation. Environmental historian and storyteller Hayden Mathews interprets the many layers of the ...