[Talk-us] Katahdin Woods and Waters National Monument

Clifford Snow clifford at snowandsnow.us
Fri Aug 26 05:57:52 UTC 2016


I asked the question on the talk-us-nps mailing list. A number of NPS folks
follow that list.

NPS data center, IRMA[1], doesn't have boundaries for the park yet.

[1] https://irma.nps.gov/DataStore/

On Thu, Aug 25, 2016 at 9:56 PM, Kevin Kenny <kevin.b.kenny+osm at gmail.com>
wrote:

> Perhaps you could inquire via the contact information in
> http://www.katahdinmaine.com/images/pdf/KatahdinVG2015-WEB.pdf where they
> got the GIS data? There are maps of the new area on pp. 44-45, 50-51,
> 54-55, 76-77.
>
> Failing that:
>
> We could georeference the map of the area at https://www.nps.gov/kaww/
> planyourvisit/upload/KAWW-Recreation-Map-08_2016.pdf (presumably a US
> Government work not subject to copyright) and select the corresponding area
> in the tax parcel map available from http://www.maine.gov/megis/catalog/
> (which appears to have OSM-compatible usage terms: http://www.maine.gov/
> megis/catalog/metadata/parcels_ut.htm).
>
> I've managed to extract park boundaries from tax parcel data in New York
> in the recent past.
>
> I'm lookng at the tax parcels from http://www.maine.gov/megis/
> catalog/shps/state/parcels_uts.zip overlaid atop a roughly georeferenced
> version of the NPS map in QGIS right now, and except for the fact that two
> parcels (01-1 and 01-3.1) in the southwest corner appear to have been
> subdivided, the NPS map follows the tax map. There appears to be an error
> in the boundary between lots 01-2.21 and 01-2.2 as well, and there, since
> the shape appears to be similar, I'm more inclined to trust the taxing
> authority. (A lot of these backcountry property lines are based on ancient
> surveys where the errors of closure could literally be tens or even
> hundreds of metres, so I strongly suspect that there's an indefinite
> boundary in there, anyway.)
>
> Dissolving the parcel polygons, slicing off the line at the southern
> boundary, and adding the little missing bit by Whetstone Falls, would give
> us a pretty darned accurate outline. It would look like hell on the
> rendered map unless we also brought in the polygons for the rivers, but
> that would also surely be doable.
>
> I'm likely not to have time for this project for a couple of weeks, but
> I'll happily put it on the 'things to do' list if the legal beagles are
> comfortable with this approach.
>
>
> Kevin
>
> On Thu, Aug 25, 2016 at 10:58 PM, Jeffrey Ollie <jeff at ocjtech.us> wrote:
>
>> So, if you haven't seen the announcement, yesterday President Obama
>> established the latest National Monument.
>>
>> https://www.whitehouse.gov/blog/2016/08/24/president-obama-
>> designates-national-monument-maines-north-woods
>> https://www.nps.gov/kaww/index.htm
>>
>> It'd be nice to get at least the boundaries into OSM, anyone have a
>> source for the data? I didn't see anything obvious in the NPS data
>> portal.
>>
>> --
>> Jeff Ollie
>> The majestik møøse is one of the mäni interesting furry animals in Sweden.
>>
>> _______________________________________________
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>>
>
>
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-- 
@osm_seattle
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OpenStreetMap: Maps with a human touch
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