Districts
Philadelphia Bureau
2 plates
Plate 105 — Bureau records room, administrative office, Philadelphia
Plate 105 — Bureau records room, administrative office, Philadelphia
1923
No. PHL-1923-000105
Plate 129 — Bureau of Regional Survey — field organization district map, Industrial Interior Survey
Plate 129 — Bureau of Regional Survey — field organization district map, Industrial Interior Survey
Undated (archive copy)
No. PHL-Undated (archive copy)-000129