Carte cataloguée
Boyertown
Institution:United States Geological Survey
Titre complet:Boyertown
Année de l'image:1997
Date de publication:2000
Échelle de la carte:1:24 000
Sassamansville
1999
1:24k
Sassamansville
1957
1:24k
Sassamansville
1957
1:24k
Sassamansville
1957
1:24k
Sassamansville
1957
1:24k
Sassamansville
1957
1:24k
Sassamansville
1957
1:24k
Sassamansville
1943
1:32k
Boyertown
1902
1:63k
Boyertown
1902
1:63k
Boyertown
1902
1:63k
Boyertown
1902
1:63k
Boyertown
1902
1:63k
Boyertown
1902
1:63k
Boyertown
1902
1:63k
Boyertown
1902
1:63k
Boyertown
1902
1:63k