Philadelphia Water Department:
1026_GZA0123
Philadelphia Water Department:
1028_GZA0136
Philadelphia Water Department:
1035_GZA0150
Philadelphia Water Department:
1049_RZA0098
Philadelphia Water Department:
1050_RZA0103
Philadelphia Water Department:
1056_RZA0105
Philadelphia Water Department:
1061_GZA0206
Philadelphia Water Department:
1007_GZA0032
Philadelphia Water Department:
1010_GZA0041
Philadelphia Water Department:
1017_GZA0076