I am looking for projection information for the Mexican Municipios located at ftp.ciesin.columbia.edu/pub/data/Mexico/giscover.mexmun/.I need to reproject the data and I need to know what the original projection was for the coverage.

The projection of the data you are interested in is as follows:

Projection: LAMBERT (Lambert conformal conic)
Units: METERS
Spheroid: CLARKE1866

Parameters:
1st standard parallel 17 30 0.000
2nd standard parallel 29 30 0.000
central meridian -102 0 0.00
latitude of projection’s origin 0 0 0.000
false easting (meters) 0.00000
false northing (meters) 0.00000

There is also an updated version of the Municipios coverage (with fewer attributes) available in the geographic projection at:

ftp://ftp.ciesin.columbia.edu/pub/data/Mexico/1990.states.munic.isl/

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