[Talk-us] National Atlas

Andrew Ayre andy at britishideas.com
Mon Jun 22 05:26:13 BST 2009

Thanks Tyler and Eric!


Tyler wrote:
> I know that for the National Park boundaries the 
> national atlas data is much worse than park specific data. I would 
> suspect that to be the case for national forest boundaries as well on 
> the National Atlas. As Eric said, most government data is alright to use.
> I found the Forest service site for region 3 [1] and I tossed the admin 
> boundaries and and the wilderness boundaries into Arc and compared that 
> data with the national atlas forest boundaries data. I can confirm the 
> national atlas data has much less detail than the FS data. The forest 
> service data is also unambiguous in terms of copyright and is usable on OSM.
> But what you gain in resolution you also lose in terms of import speed. 
> Also, check out the National Forest Service data on the wiki and add 
> your project to it [2]. 
> [1] http://www.fs.fed.us/r3/gis/datasets.shtml
> [2] http://wiki.openstreetmap.org/wiki/US_Forest_Service_Data
> Happy mapping!
> -Tyler
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