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Subcollection: 1928: Aerial Survey of the Philadelphia Region
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[Aerial Survey of the Philadelphia Region], Plate 90
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 89
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 88
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 87
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 86
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 85
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 84
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 83
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 82
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 81
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 80
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 79
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 78
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 77
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 76
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 75
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 74
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 73
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 72
 Maps 1928: Aerial Survey of the Philadelphia Region
[Aerial Survey of the Philadelphia Region], Plate 71
 Maps 1928: Aerial Survey of the Philadelphia Region