Delaware County Map Formation by Year
1673
1674
1678
1680
1681
1682
1685
1687
1704
1760
1775
1841
Delaware County Map Abbreviations
unorg. = unorganized
g. = gained
w. = with
fr. = from
atmt. = attachment
exch = exchanged
nca.= non county area
ch. = changed
Ke -
Kent
NC -
New Castle
Su -
Sussex