Responding to lawsuits filed in 2007 and 2008 by the Center for Biological Diversity and other groups, the National Marine Fisheries Service has protected Atlantic salmon in three additional river systems in Maine under the Endangered Species Act, including the Penobscot, Kennebec, and Androscoggin rivers, and designated about 12,000 miles of rivers and estuaries, as well as 300 square miles of la