| GeoHistory Resources | 
| A ground plat of the City of Philadelphia marking the ascents and descents of streets, elevation for the regulated curbstones, and exhibiting the main tunnels &c. For particulars see the book corresponding herewith. March15th 1809. Reading Howell. , 1809PlanWork Title: A ground plat of the City of Philadelphia marking the ascents and descents of streets, elevation for the regulated curbstones, and exhibiting the main tunnels &c. For particulars see the book corresponding herewith. March15th 1809. Reading Howell.
, 1809 Surveyor: Howell, Reading Date: 1809 Size: 47 x 79 in. Image Note: The colors in this image may have been adjusted to enhance legibility, and may not accurately reflect the original item. Map Features: Centre Square with circular pathways, Water Works at Schuylkill River and Chestnut Street, sewer profiles on Pine St. and Mulberry St.; drainage areas outlined, streams (not named on plan) including Minnow Run, Dock Creek, parts of Pegg's Run; original and proposed curb elevation, clay pits, benchmark buildings Media: Mounted Scale: 1 inch = 150 feet Source: Image File(s): 
			006-01_HP 
		 | 
 | |||||||||||||||