A map of the state of Pennsylvania / [cartographic material] / by Reading Howell, MDCCCXI ; engraved by J. Vallance.Howell, Reading, 1743-18271811Includes dedication statement "To the Governor and Legislature of the Commonwealth of Pennsylvania this map is respectfully inscribed by the author".Includes drawing of Schuylkill permanent bridge on lower left hand corner.Map shows "line limiting the pcartographic