[Talk-us] Michigan Forest Land

[Martijn van Exel]

Hi David, 

We’d have to look into how public vs private land in OSM is mapped. I am not sure if there is an established convention. Others may know more.. 

The issue with official data in OSM is that someone needs to keep it updated. If you rely on public land boundaries in OSM you are relying on someone keeping this data up to date in OSM as well. With a data layer that could get you in actual trouble if it’s outdated or otherwise inaccurate, that is a real issue.

Engaging in quite a bit of  backcountry fun myself I understand and appreciate your use case. I tend to rely on official maps for public lands and use an outdoor specific mapping app to get my intel in the field. I recommend Gaia GPS which is not free, but in my and my outdoor loving friends’ opinions well worth the money.

Best
Martijn  

> On Mar 7, 2019, at 9:55 AM, David Martin <gs400dave at hotmail.com> wrote:
> 
> Hi,
> 
> I'm new to editing OSM, having been a heavy user of OSMAnd for Android for several years.  I primarily use the maps for snowmobiling here in Northern Michigan, and building my own database of gpx tracks.
> 
> The Michigan maps are lacking the information for state forest land.  I have noted that the Upper Peninsula does have some state and national forest areas, but there is much missing here in the Lower Peninsula.
> 
> I have found the data on the State of Michigan website, and have successfully downloaded the shapefile for all state forest land.  
> 
> I would like to proceed with adding this data to OSM, with the help of experienced editors.
> 
> This is public data, available at http://gis-michigan.opendata.arcgis.com/datasets/dfe0bcec31184b57b9f0d96bc02d6548_1 <http://gis-michigan.opendata.arcgis.com/datasets/dfe0bcec31184b57b9f0d96bc02d6548_1>
> 
> This is high-value data for all OSM users in Michigan, to understand when they are public land and help prevent trespassing onto private land.  I often have to switch over to Google Maps to see if I am on state land.
> 
> Please advise as to how I may proceed.
> 
> Thanks,
> David Martin
> 
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