Philadelphia County Civil Defense, Emergency Routes. Location of gateways. Revised June 29, 1951., 1951
Plan
Work Title:
Philadelphia County Civil Defense, Emergency Routes. Location of gateways. Revised June 29, 1951., 1951
Surveyor:
Not named
Date:
1951
Size:
20 x 16 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:
Civil Defense. Emergency routes in and out of the city.
Media:
Paper
Source:
Image File(s):
FF-CivDef-03
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