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+...@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 <j...@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. >> >> _______________________________________________ >> Talk-us mailing list >> Talk-us@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/talk-us >> > > > _______________________________________________ > Talk-us mailing list > Talk-us@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-us > > -- @osm_seattle osm_seattle.snowandsnow.us OpenStreetMap: Maps with a human touch
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