Triangulation points of the U.S. Coast and Geodetic Survey in Philadelphia and vicinity, 1885 ca.
Plan
Title:
Triangulation points of the U.S. Coast and Geodetic Survey in Philadelphia and vicinity
Creator:
Not named
Date Created:
1885 ca.
Physical Format:
60 x 41 in.
Coverage:
Philadelphia and vicinity
Identifier:
RC-Q-01
Media:
Mounted
Map Features:
Location of triangulation points used to create accurate surveys
Scale:
1:20000, or 1 inch = 1666 feet
Source:
Image File(s)
RC-Q-01.jp2