means for the preservation of records incomplete, and also the turbu- lent and unsettled state of the country,the paucity of data becomes obvious. The aim of the historian should be to present facts, such as can be substantiated by documentary evidence, and such as have been derived from personal

or over 500 acres, and the warrant shall be ready." And Taylor, the Surveyor, un- der date of June 17, 1720, says : " I have agreed with Jenkin Davis for 1,000 acres on or near the Conestoga Creek." (See Taylor's Papers in Historical Society Rooms, at Philadelphia.) Both these surveys were made, as

expansion of the city made it economically advantageous to develop ground once set aside for burial.2 The late 1840s and early 1850s were unusually prosperous years in Lancaster. As the city's economy recovered from the effects of the Panic of 1837, new industries, most notably the Conestoga Steam Cotton