GeoHistory Resources

Triangulation, City of Philadelphia. U.S. Coast and Geodetic Survey, J. E. Hilgard, Supt. Observations made by C. H. VanOrden, Assistant, C. H. Sinclair, Assistant, under the direction of Spencer McCorkle, Assistant. , 1885

Plan


Bookmark and Share
Work Title:
Triangulation, City of Philadelphia. U.S. Coast and Geodetic Survey, J. E. Hilgard, Supt. Observations made by C. H. VanOrden, Assistant, C. H. Sinclair, Assistant, under the direction of Spencer McCorkle, Assistant. , 1885
Surveyor:
McCorkle, Spencer C.
Date:
1885
Size:
31 x 36 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-03