This tiled imagery service represents a snapshot of the land surface within Napa County and is made available for public use. The tile cache scheme follows the ArcGIS Online Model and can viewed down
Precinct Number Guide 1st Digit – Supervisorial District 1 Sup District 1 2 Sup District 2 3 Sup District 3 4 Sup District 4 5 Sup District 5 2nd Digit – County/City Identifier 0 Unincorporated Napa C
