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1990 Minor Civil Division (MCD)
The following maps were imported from Census data obtained from ftp://ftp.census.gov/pub/tiger/boundary/
1990 Minor Civil Division (MCD) - MCDs are legally defined subcounty
areas such as towns and townships. For some States, some incorporated
places are not part of any MCD, and are treated as MCD-equivalent entities.
In Maine, American Indian reservations exist outside the jurisdiction of
any MCD, and are treated as MCD-equivalent entities. Portions of Maine
that are not part of any MCD, incorporated place, or AIR, are designated by
the Census Bureau as Unorganized Territories and are treated as MCD-
equivalent entities. The 7-digit MCD geocode consists of a 2-digit FIPS
State code and a 5-digit FIPS place code
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