Re: table of US states' neighbours

Michael Fuhr wrote:
> On Thu, Mar 27, 2008 at 06:00:57PM -0400, Colin Wetherbee wrote:
>> brian wrote:
>>> I'd like to add a table, state_neighbours, which joins each state with all
>>> of its neighbour states. Does anyone know where I can find such a list?
>>>
>>> I'm not interested in "nearest neighbour", just any connected state.
>> That sounds like something you could create in 20 minutes with a map.
>
> Or a few minutes with shapefiles and PostGIS, using the latter's
> spatial functions to identify geometries that touch. Below are the
> results of such an operation; I haven't verified the entire list
> but I did check a few and they were correct.

Brilliant, thanks. Yes the PostGIS angle is why i asked on this list. I
figured that this info must be readily available. Now google will pick
it up for the next bloke.

> AL|{FL,GA,MS,TN}
> AR|{LA,MO,MS,OK,TN,TX}
> AZ|{CA,CO,NM,NV,UT}
> CA|{AZ,NV,OR}
> CO|{AZ,KS,NE,NM,OK,UT,WY}
> CT|{MA,NY,RI}
> DC|{MD,VA}
> DE|{MD,NJ,PA}
> FL|{AL,GA}
> GA|{AL,FL,NC,SC,TN}
> IA|{IL,MN,MO,NE,SD,WI}
> ID|{MT,NV,OR,UT,WA,WY}
> IL|{IA,IN,KY,MI,MO,WI}
> IN|{IL,KY,MI,OH}
> KS|{CO,MO,NE,OK}
> KY|{IL,IN,MO,OH,TN,VA,WV}
> LA|{AR,MS,TX}
> MA|{CT,NH,NY,RI,VT}
> MD|{DC,DE,PA,VA,WV}
> ME|{NH}
> MI|{IL,IN,MN,OH,WI}
> MN|{IA,MI,ND,SD,WI}
> MO|{AR,IA,IL,KS,KY,NE,OK,TN}
> MS|{AL,AR,LA,TN}
> MT|{ID,ND,SD,WY}
> NC|{GA,SC,TN,VA}
> ND|{MN,MT,SD}
> NE|{CO,IA,KS,MO,SD,WY}
> NH|{MA,ME,VT}
> NJ|{DE,NY,PA}
> NM|{AZ,CO,OK,TX,UT}
> NV|{AZ,CA,ID,OR,UT}
> NY|{CT,MA,NJ,PA,VT}
> OH|{IN,KY,MI,PA,WV}
> OK|{AR,CO,KS,MO,NM,TX}
> OR|{CA,ID,NV,WA}
> PA|{DE,MD,NJ,NY,OH,WV}
> RI|{CT,MA}
> SC|{GA,NC}
> SD|{IA,MN,MT,ND,NE,WY}
> TN|{AL,AR,GA,KY,MO,MS,NC,VA}
> TX|{AR,LA,NM,OK}
> UT|{AZ,CO,ID,NM,NV,WY}
> VA|{DC,KY,MD,NC,TN,WV}
> VT|{MA,NH,NY}
> WA|{ID,OR}
> WI|{IA,IL,MI,MN}
> WV|{KY,MD,OH,PA,VA}
> WY|{CO,ID,MT,NE,SD,UT}
>