[NHCOLL-L:2614] RE: Fwd: Re: Probole

[Dustin Wood]

Check out this website for converting TRS data into Coordinate data. I have found it very useful.  Alsom, for other types of data you might want to go to the HERPNET website (www.herpnet.org) and look under their resources page.

TRS Data Convertor
http://www.esg.montana.edu/gl/trs-data.html



---------- Original Message ----------------------------------
From: "White, Rich" <RichW at thewildlifemuseum.org>
Reply-To: RichW at thewildlifemuseum.org
Date:  Fri, 1 Apr 2005 10:18:41 -0700

>USGS topo maps have Township, Range and Section designations on them.  I
>don't think there is any quick way (ie, algorithm) to convert.  Also,
>the TR designations don't correspond to "a" locality - the sections are
>one square mile in extent, and old collections can have Section, quarter
>section or quarter-quarter sections indicated.  A given Township and
>Range includes 36 sections, and is therefore 6 miles on a side, for a
>total of 36 square miles.  Note also that for some areas, T & R
>designations were never formally given.
>
>You will also find that the section lines (and therefore T and R lines)
>were often "bent", and are not perfectly rectangular.  Providing
>metadata guidelines for handling Township, Range and Section data on
>localities is a problem.  Probably the easiest is to pick the center
>point of the smallest division given (Section, quarter Section) and flag
>it to indicate that this is an "area" rather than a precise location.
>
>Rich
>
>
> 
>Richard S. White, Jr.
>Director
>International Wildlife Museum
>4800 West Gates Pass Road
>Tucson, Arizona 85745
>520-629-0100 extension 252
>Fax: 520-618-3561
>
>
>
>-----Original Message-----
>From: owner-nhcoll-l at lists.yale.edu
>[mailto:owner-nhcoll-l at lists.yale.edu] On Behalf Of Timothy Tomon
>Sent: Friday, April 01, 2005 8:35 AM
>To: NHCOLL-L at lists.yale.edu
>Subject: [NHCOLL-L:2610] Fwd: Re: Probole
>
>
>Hello,
>
>I was wondering if any knows of a way to convert Township, Range,
>Section data, apparently known as the Public Land Survey System, to
>coordinates?
>
>This is an example of one such locality that I have, in case I have not
>adequately described what I am talking about:  
>
>Michigan, Baraga County, T49N R34W S15	
>
>
>Thanks for any help you can provide!
>Tim Tomon
>
>