[Talk-us] interesting crossing of borders between CA and AZ

[Ray Kiddy]

On 11/9/20 3:07 PM, Clifford Snow wrote:
> Ray,
> Thanks for taking on the task of fixing the tribal boundaries. From 
> personal experience of having done a number of these, it's hard work 
> and easy to make errors. But don't let that discourage you. It feels 
> great once you're complete.
>
> One note - as far as I know, tribal boundaries should just be 
> boundary=aboriginal_lands. Admin levels are designed for areas tagged 
> boundary=administrative. Because tribal lands/reservations have a 
> unique standings they should just be tagged boundary=aboriginal_lands.
>
> Feel free to contact me directly if you need help.
>
> Clifford

When I was creating the relation, I found the 
"boundary=aboriginal_lands" thing.

Give a shout if you see anything wrong with this.

http://www.openstreetmap.org/relation/11867393

And I have not yet, of course, added the bit that will cross into 
California.

cheers - ray

>
> On Mon, Nov 9, 2020 at 2:03 PM Ray Kiddy <ray at ganymede.org 
> <mailto:ray at ganymede.org>> wrote:
>
>     Hello -
>
>     I am seeing an interesting editing task at the eastern edge of
>     Riverside
>     County in California. As of now, I am not expert enough in JOSM to do
>     it, but I will, at some point, be able to do it and I will do it
>     then.
>     Unless someone else wants it.
>
>     I am starting to add lines to define the city boundaries of
>     Blythe, CA.
>     Almost nothing is there in OSM.
>
>     But the interesting bit is at the nothern part of the eastern edge of
>     the city boundary. This line in the Colorado River actually separates
>     the states of California and Arizona and is the eastern boarder of
>     Blythe but it is also the western border of the Colorado River Indian
>     Tribes Reservation (https://www.openstreetmap.org/way/702934460
>     <https://www.openstreetmap.org/way/702934460>).
>
>     The issue is that the southern border of the reservation actually
>     crosses the CA-AZ state line and this is not seen in OSM. It has a
>     "toe"
>     sort of shape, facing west. See the eastern edge of the map below.
>
>     https://gis.countyofriverside.us/Html5Viewer/?viewer=MMC_Public
>     <https://gis.countyofriverside.us/Html5Viewer/?viewer=MMC_Public>
>
>     So, what I think I need to do is:
>
>     1) Change the reservation from a way into a relation with the proper
>     admin level. (Done)
>
>     1a) Fix the southern border of the reservation, which should cover
>     the
>     road there. The reservation does not include the road in OSM.
>
>     2) Split the way that currently cuts off the toe, but I need to
>     not muck
>     up the CA-AZ border.
>
>     3) Add the lines for the toe. This also involves moving the northern
>     edge of the Palo Verde Ecological Reserve, whose northern edge is too
>     far north in OSM.
>
>     4) Actually the nothern edge of the eco reserve needs to be split off
>     because it is now also the border of the reservation.
>
>     5) Add the ways created for the norther edge of the toe into the
>     reservation's relation.
>
>     And that is it. And I need to not break all of the other things
>     around.
>     Easy peasy! :--)
>
>     I am open to any suggestions. On the other hand, I am willing to do
>     these things when I figure out some of the advanced stuff in JOSM.
>     Fun
>     stuff.
>
>     cheers - ray
>
>
>
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> -- 
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> www.snowandsnow.us <https://www.snowandsnow.us>
> OpenStreetMap: Maps with a human touch
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