[GRASS-user] Determining Datum From Projection Coordinates [SOLVED]

Rich Shepard rshepard at appl-ecosys.com
Thu Mar 3 09:15:39 EST 2011

On Wed, 2 Mar 2011, Michael Perdue wrote:

> Hate to be a wet blanket, but both NAD27 and NAD83 UTM coordinates are
> supposed to be in meters.


   It's been quite a while but I recall data in NAD27 having units of feet.
Regardless, ...

   Since the data have both lat/lon and some version of UTM, I think the best
approach is to use the lat/lon columns to import the data, then v.proj to
the common Albers Equal Area location.


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