vigorously. BIBLIOGRAPHY Baker, W. A., and Tre Tryckare. The Engine Powered Vessel: From Paddle Wheeler to Nuclear Ship. New York: Grosset and Dunlap, 1965. Burlingame, Roger. March of the Iron Men, A Social History of Union Through Invention. New York: Charles Scribner's Sons, 1938. Chapelle, Howard I

early years of our country, were women. Ann Moore was postmistress of Lancaster from 1798 to 1829. Mary Dickson took office in 1829 and served for 21 years — until 1850. Thus, beginning in Thomas Jefferson's term as President, these two women held the office of Postmistress through the administrations

concealed. But later some of the records have been brought to light. It seems there were three routes used by the slaves in eastern Pennsylvania. One was through Delaware, another was about where the Conowingo Bridge now crosses the Susquehanna from Maryland and the third was at Columbia. The great depot at

loyal member of St. James Episcopal Church in Lancaster and gave two stained glass windows to this beautiful old edifice in memory of her husband and sons. Harriet Lane Johnston was internationally known for her beauty and charm. The popular song "Listen to the Mocking Bird" by Septimus Win- ner was