From the Statistical Abstract find six or more of the leading exports from each of the following ports: New York, Boston, Baltimore, Philadelphia, and the port nearest which you live.
FOR COLLATERAL REFERENCE
Statistical Abstract of the United States.
Statesman's Year-Book.
Industrial Evolution of the United States—Chapter II.
CHAPTER XVIII
THE UNITED STATES—THE NEW ENGLAND PLATEAU AND THE APPALACHIAN REGION
The manufacturing regions of the United States, which connect the country with the rest of the world, include mainly the New England plateau and the Appalachian ranges.