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TITLE
 
DATE
 
MAP #
 
SCALE
 
TOPOGRAPHER
Delaware River, from Penn's Grove to Lazaretto (down river toward Penn's Grove)  
1841-42
 
161a
 
1:10,000
  W.M. Boyce
Delaware River, from Penn's Grove to Lazaretto (up river toward Lazaretto)  
1841-42
 
161b
 
1:10,000
  W.M. Boyce
Delaware River, from Chester to Naaman's Creek triangulation  
1881
 
1502a
 
1:5,000
  C.T. Iardella
Delaware River, from Simpson's Wharf to Chester  
1880
 
1485
 
1:5,000
  C.T. Iardella
Delaware River, from triangulation station Powder Magazine to Simpson's Wharf  
1880
 
1484b
 
1:5,000
  C.T. Iardella
Delaware River, from Fort Mifflin to triangulation station Powder Magazine  
1880
 
1484a
 
1:5,000
  C.T. Iardella
From Lazaretto to mouth of Schuylkill River (Lazaretto end)  
1842
 
164b
 
1:10,000
  W.M. Boyce
From Lazaretto to mouth of Schuylkill River (Schuylkill River end)  
1842
 
164a
 
1:10,000
  W.M. Boyce
League Island channel and vicinity  
1865
 
975a
 
1:2,500
  R.M. Bache
Stakes in the gut east of the bridge, League Island  
1865
 
975b
 
1:2,500
  R.M. Bache
Schuylkill River, from League Island to Gray's Ferry  
1873
 
1313a
 
1:5,000
  H.G. Ogden
Schuylkill River, from Gray's Ferry to suspension bridge  
1873
 
1313b
 
1:5,000
  H.G. Ogden
Vicinity of Philadelphia  
1843
 
165a
 
1:10,000
  W.M. Boyce
Delaware River, from Kaighn's Point to Red Hawk  
1870
 
165b
 
1:10,000
  A. Linderkohl
Vicinity of Philadelphia (part 1)  
1842
 
165c
 
1:10,000
  W.M. Boyce
Vicinity of Philadelphia (part 2)  
1842
 
165d
 
1:10,000
  W.M. Boyce
Delaware River, from south side of Philadelphia to north side of Richmond  
1861
 
165e
 
1:10,000
   
From Philadelphia and Camden, northward  
1843-44
 
162a
 
1:10,000
  J.J.S. Hassler
From Bridesburg to Pennypack  
1843-44
 
162b
 
1:10,000
  J.J.S. Hassler
From Bristol to Morrisville  
1843-44
 
171
 
1:10,000
  J.J.S. Hassler