Regions and Seasons: Use of the curving isotherm allowed 19th-century mapmakers to break with the ancient and rigid concept of five climatic zones aligned with latitudes, while providing more accurate data and More
Railroad, township & distance map of New England | Railroad, township and distance map of New England | G. Woolworth Colton's county & township railroad map of New England showing every station &c Courtesy of B More
Public domain image of the vintage map from Norman B. Leventhal Map Center, free to use, no copyright restrictions image. The Norman B. Leventhal Map & Education Center at the Boston Public Library is a special More