books.google.com - What do we actually know about these structures? About the people whobuilt them, and why they were built? Stone walls are not simplymonuments to the skill of Yankee farmers. The historical record makesclear that many were built by slaves, Indians, indentured servants, andchildren.Sermons in Stone is...http://books.google.com/books/about/Sermons_in_Stone.html?id=ThmB5P2Gv0UC&utm_source=gb-gplus-shareSermons in Stone
