Triangulation, Petty's Island to Poquessink [Poquessing] Creek, Delaware River. Made by request for the City of Philadelphia. U.S. Coast and Geodetic Survey, J. E. Hilgard, Supt. - F. Walley Perkins, Chief of Party, C. H. Van Orden, Assistant., 1884
Plan
Work Title:
Triangulation, Petty's Island to Poquessink [Poquessing] Creek, Delaware River. Made by request for the City of Philadelphia. U.S. Coast and Geodetic Survey, J. E. Hilgard, Supt. - F. Walley Perkins, Chief of Party, C. H. Van Orden, Assistant., 1884
Surveyor:
Perkins, F. Walley; Orden, C. H.
Date:
1884
Size:
21 x 47 in.
Map Features:
Location of triangulation points used to create accurate surveys
Media:
Tracing
Scale:
1:20000, or 1 inch = 1666 feet
Source:
Image File(s):
RC-Q-06
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