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US Public Land Survey System Township Conversion
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US Public Land Survey System Township Conversion Jeff Thorson 04-28-2004
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Posted by Jeff Thorson on April 28, 2004, 3:22 pm
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 Is there an algorithm or database to convert the US Public Land Survey
System Township grid designations to latitude and longitude (center or
corner)?

Example input data (whatever format) T31N-R17E, Section 5, NW¼NW¼
Example output: 45.123456N 90.876544W

Is it different from state to state?

I'm specifically looking for Wisconsin but of course I'd be interested in a
general solution too.

Thanks.




Posted by Paul Irwin on April 28, 2004, 12:53 pm
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 Check with the Wisconsin Department of Natural Resources GIS group. I'm
pretty sure they had a process to do this using Arc/Info. The Indiana
Geolgical Survey uses Geographix software with a landgrid from Whitestar for
Indiana data.

> Is there an algorithm or database to convert the US Public Land Survey
> System Township grid designations to latitude and longitude (center or
> corner)?
>
> Example input data (whatever format) T31N-R17E, Section 5, NW¼NW¼
> Example output: 45.123456N 90.876544W
>
> Is it different from state to state?
>
> I'm specifically looking for Wisconsin but of course I'd be interested in
a
> general solution too.
>
> Thanks.
>
>




Posted by Jeff Thorson on April 30, 2004, 1:04 am
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Thanks, but I had to laugh when I saw your answer. Its their data I need to
convert.
But thanks again. Maybe they'll share their internal solution. :)

Jeff

> Check with the Wisconsin Department of Natural Resources GIS group. I'm
> pretty sure they had a process to do this using Arc/Info. The Indiana
> Geolgical Survey uses Geographix software with a landgrid from Whitestar
for
> Indiana data.
>
> > Is there an algorithm or database to convert the US Public Land Survey
> > System Township grid designations to latitude and longitude (center or
> > corner)?
> >
> > Example input data (whatever format) T31N-R17E, Section 5, NW¼NW¼
> > Example output: 45.123456N 90.876544W
> >
> > Is it different from state to state?
> >
> > I'm specifically looking for Wisconsin but of course I'd be interested
in
> a
> > general solution too.
> >
> > Thanks.
> >
> >
>
>




Posted by Tom on April 30, 2004, 10:47 pm
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> Thanks, but I had to laugh when I saw your answer. Its their data I
> need to convert.
> But thanks again. Maybe they'll share their internal solution. :)
>
> Jeff
>
>> Check with the Wisconsin Department of Natural Resources GIS group.
>> I'm pretty sure they had a process to do this using Arc/Info. The
>> Indiana Geolgical Survey uses Geographix software with a landgrid
>> from Whitestar
> for
>> Indiana data.
>>
>> > Is there an algorithm or database to convert the US Public Land
>> > Survey System Township grid designations to latitude and longitude
>> > (center or corner)?
>> >
>> > Example input data (whatever format) T31N-R17E, Section 5, NW¼NW¼
>> > Example output: 45.123456N 90.876544W
>> >
>> > Is it different from state to state?
>> >
>> > I'm specifically looking for Wisconsin but of course I'd be
>> > interested
> in
>> a
>> > general solution too.
>> >
>> > Thanks.
>> >
>> >
>>
>>
>
>
>

http://www.geocities.com/jeremiahobrien/trs2ll.html


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