Cong. 1st Sess., II, 203. 11 John Joseph Henry, "Augre," in Abraham Rees, The Cyclopedia; or Uni- versal Dictionary of Arts, Science, and Literature, III. 12 Lancaster County Assessment Lists, Martic Township, 1779, Drumore Town- ship, 1796, Lancaster County Archives. 13 Joshua Scott, Map of Lancaster

of the Public, to enable him to carry on a Manufactory of public Advantage, and to raise a Sum of Money for that and other beneficient Purposes in the Scheme mentioned. —Pennsylvania Gazette, March 17, 1773 The detailed story of Henry William Stiegel's ventures in the manufacture of glass is already

to strike the county boundary be- tween Cambridge and Christiana. South of Mine Ridge in Sadsbury Township a narrow valley of Chester County limestone penetrates the Lancaster County boundary and extends toward Quarryville.6 No other county in Pennsylvania has as large an exposed area of lime- ,:tone