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Thread: Free GIS data?

  1. #1
    Cyburbian
    Registered
    Jul 2010
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    BC, Canada
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    218

    Free GIS data?

    OK, after confirming that our MPO has downloadable data sets online and setting up an account last week, I log in to find out that there is a special waiver one needs to electronically "sign" and apparently have confirmed by a staff person or process before gaining access, at any rate its not automatic ... so now its the weekend and I'm trying to make a map for a class I am taking! Leave it to American bureaucracy! If anyone's online, any leads where I might find free downloadable basic data (roads, political boundaries, rivers) for Colorado? I seem to recall downloading from some places on the internet previously. The class is online/out of state so no luck getting it from the school. One of the counties has data, but it costs per shapefile ...

  2. #2
    Cyburbian Tarf's avatar
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    Jul 2011
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    Encinitas, CA
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    Not sure if it's helpful, but try: http://geo.data.gov/geoportal/catalog/main/home.page

    Also try: http://www.esri.com/data/free-data/index.html


    I don't do GIS these days, so not sure if those are helpful.

    /rant I HATE public agencies that charge for their shapefiles. The taxpayers paid to create them, they should be free and available information for all! /endrant
    In the beginning the Universe was created. This has made a lot of people very angry and been widely regarded as a bad move. (Douglas Adams)

  3. #3
    Go to the US Census website. Go to TIGER files. They have lots of data with political boundaries, water, centerlines, etc.

  4. #4
    Cyburbian
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    Try the Colorado DOT's website. They should have enough basic data for your needs.

    http://apps.coloradodot.info/dataaccess/

  5. #5
    Cyburbian
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    BC, Canada
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    Thanks, all! I got the project done (ultimately ended up using shapefiles from a couple of the cities in the region that had it online, combining them to cover enough of the region).

    However, this might be an interesting thread / list of resources to have up on Cyburbia as a resource for GIS users?

  6. #6
    Cyburbian Cardinal's avatar
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    Aug 2001
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    The Cheese State
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    Most states have a GIS portal where you can download extensive information. This often includes aerial imagery and special coverages for the state (land cover, geological or environmental data, etc.).
    Anyone want to adopt a dog?

  7. #7
    Cyburbian
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    One thing I discovered relatively recently is that some jurisdictions put their GIS data on a web server that Arc can access directly. Fortunately for me, the adjacent counties north of here have done that so I can just connect to their server to bring in parcels, aerials, and whatnot if I need. I think the GIS department where I work is too stingy to do that themselves though.

  8. #8
    Member
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    Apr 2012
    Location
    Miami, Fl
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    7
    call their county office and tell them you are a student maybe they can send you info for free

  9. #9
    Cyburbian
    Registered
    May 2012
    Location
    Enschede, The Netherlands
    Posts
    28

    Overview of some free datasets

    This website gives some useful links to free GIS data:http://freegisdata.rtwilson.com/#elevation

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