Data Vintage |
YYYY.MM, where YYYY represents the year and MM represents the
two-digit month |
Projection |
Latitude/longitude |
Datum |
WGS84 |
Coordinate Precision |
6 decimal places |
Update Frequency |
Quarterly. Certain states are targeted for specific releases, but any state can
receive updates in a given quarter. |
File Naming |
municipal_z_usa.* for nationwide file or municipal_z_st.*, where
st is the two-letter state abbreviation and z represents the
layer |
File Format |
MapInfo TAB, shapefile, and WKT (Well-Known Text) |
Coverage |
Nationwide, state |