Changeset: 86532897
county lines
Closed by Fluffy89502
Tags
created_by | JOSM/1.5 (15492 en) |
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source | survey |
Discussion
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Comment from maxerickson
All my research indicated that Michigan counties don't really enclose the great lakes.
Like the sheriff has some jurisdiction on the water, but that's about it (and it's not exclusive jurisdiction, the Sheriff from either nearby county might have jurisdiction).
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Comment from Fluffy89502
Just because a sheriff is elected in one county does not mean that their powers do not extend throughout the entire state. Also the attorney general does not prosecute crimes that occur within the lakes as the county district attorneys do that. Also see the water area of the counties, such as those listed here: https://en.wikipedia.org/wiki/Van_Buren_County%2C_Michigan
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Comment from maxerickson
The % water areas listed on Wikipedia are just naively computed from the boundaries that Census publishes. They set those boundaries for statistical convenience, not legal precision.
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Comment from Fluffy89502
Here it states that the counties have water boundaries: https://en.wikipedia.org/wiki/List_of_counties_in_Michigan
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Comment from SomeoneElse
Hello Fluffy89502,
You've set this changeset to "source=survey". Does this mean you personally examined each of the things that you've edited here "on the ground"? This seems unlikely, as it would presumably involve a lot of swimming to survey e.g. https://www.openstreetmap.org/way/815063227 .
Using accurate source tags helps other mappers understand the changes you're making.
Best Regards,
Andy -
Comment from maxerickson
Wikipedia is not a primary source and there is no citation for the statement about the counties having water boundaries.
The thing to do is to find the text where the counties were initially laid out (and any subsequent alterations). I've not managed to do that, but I've examined lots of other information and not found anything that particularly indicates water boundaries (for example, nothing saying where the boundary would be between Emmet and Mackinac).
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Comment from Fluffy89502
From what I understood is that I could use things like census boundaries to constittute marking such as a survey
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Comment from SomeoneElse
No, "survey" means you've actually visited the place concerned and seen it with your own eyes. If you've copied from somewhere else online (which is OK if the licence is OK, which it isn't here, but maxerickson has explained how to avoid that problem), then you need to say what the source was. For example, I added https://www.openstreetmap.org/way/820162969 using an out-of-copyright map as a source (but had a look at each end).
Best Regards,
Andy -
Comment from maxerickson
I started a discussion about this on the OSM-US Slack (invites at https://slack.openstreetmap.us/ ). Someone suggested looking at what the state publishes: http://gis-michigan.opendata.arcgis.com/datasets/counties-v17a?geometry=-93.520%2C40.004%2C-76.831%2C42.886
I'm not really convinced that the state intends that data to be authoritative, but it's a data point for using the shoreline.
Ways (5)
Relations (7)
- Illinois (122586), v108
- Michigan (165789), v134
- Berrien County (407519), v26
- Lake County (536313), v36
- Van Buren County (1907340), v15
- America/Chicago Timezone (6491494), v88
- America/Detroit Timezone (6498563), v32
Nodes (2)
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