and Light Company, offer extensive facilities for supplying electricity. The remainder of this paper will be devoted to a brief analysis of these possibilities. In 1920 The Lancaster County Electric Light and Power Com- pany was organized from a merger of : The Colerain Electric Light, Heat and Power

principal of fertility than a single ton of tobacco."4 4 The Lancaster Farmer, Vol. II, 1870, p. 119. �One reason why the culture of tobacco was not early introduced on an extensive scale in Lancaster County was the exhaustive effect which the crop has upon soil. As soon as farmers become wiser and more

. Monroe Aurand, Harrisburg, Pa., 1940. - History of Lancaster County, Pennsylvania, Franklin Ellis and Samuel Evans, Philadelphia, Pa., 1883. A BRIEF POSTAL HISTORY OF LANCASTER COUNTY SUPPLEMENTARY Referring tO page 3. Why was the post route between Philadelphia and Winchester established in May, 1755