In Alaska, several electoral districts are combined to get closer to the usual administrative division, used for example to the population census.
In Virginia, for reasons of clarity and overall coherence, the Independent Cities are combined with the counties from which they arise.
See the french version (comment and notes in french but identical map).
See the explanatory maps by counties.
Get these county results in
(excel 2007) or in
, for 15 euros.
Other map, which shows better the local contrasts: