Huge kml file of past and present gold claims and prospects in California
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Thread: Huge kml file of past and present gold claims and prospects in California

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  1. #1

    Jun 2015
    52
    26 times
    All Types Of Treasure Hunting

    Huge kml file of past and present gold claims and prospects in California

    The title says it all. You may have trouble loading this on a slower computer, at least i did.
    Last edited by sublimages; Jul 10, 2015 at 01:21 PM.

  2. #2
    us
    May 2009
    Sailor Flat, Ca.
    SDC2300, Gold Bug 2 Burlap, fish oil, ACME handbook for TRUE prospectors (unread)
    5,451
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    All Types Of Treasure Hunting
    Banner Finds (1)
    that's what..Welcome to Land Matters is for
    Oregon Viking likes this.

  3. #3
    Charter Member
    us
    Nov 2010
    The Great Southwest
    3,530
    10244 times
    Prospecting
    That's just the names of the historic mine records for the Mineral Resources Data System (MRDS) Goldwasher. There are no claims past or present in that kml. Just the names of mines.

    I hope none of the newbies think this shows them where they can prospect. This kml doesn't display any claims.

    If you would like to see more than just the names of past California mines you will find all the world's MRDS mines on Land Matters Mines Maps. That includes what minerals were mined, the file status of the mine and a link to more extensive reports on the mine including the geology of the deposit and the minerals found.

    The whole MRDS shown on Land Matters is 1.1 Gb. Now that is BIG. More than 305,000 mines!

    If you would like to make these basic KMLs for your own area of interest you can custom design one at the USGS MRDS download page. There still won't be any claims on there but you can sort by the minerals and the area you are interested in.

    Heavy Pans
    Last edited by Clay Diggins; Jul 10, 2015 at 02:18 PM.
    GoldpannerDave and davin like this.

  4. #4

    Jun 2015
    52
    26 times
    All Types Of Treasure Hunting
    You're right it's not claims, but it's not just historic records. Look a little closer, there are plenty of current ones on there as well. I was just sharing something i had found useful, but I've had second thoughts and removed it.

  5. #5
    Charter Member
    us
    Nov 2010
    The Great Southwest
    3,530
    10244 times
    Prospecting
    Quote Originally Posted by sublimages View Post
    You're right it's not claims, but it's not just historic records. Look a little closer, there are plenty of current ones on there as well. I was just sharing something i had found useful, but I've had second thoughts and removed it.
    There may be current active mines on the MRDS but it is an historical record based on the old MILS and MAS databases. It is ONLY historical records - the USGS site you used to create the file clearly explains that:

    As of 2011, USGS has ceased systematic updates to MRDS, and is working to create a new database
    There are no current records in the database. The last new entry into the database was in 2005, over 98% of the data was last updated prior to 1996. If a mine is still active it's merely a coincidence.

    The kml you offered was useful to some here. I don't know why you would take it down? I encourage you to continue to share information you have.

    It's important to understand how current the information being used is. At least as important is understanding what the information is about. Your misunderstanding about the information doesn't make the file useless. I just felt it was important not to mislead the potential users of the file into believing the file contained claims information or that there was new information in it.

    Heavy Pans
    Reed Lukens and davin like this.

  6. #6

    Jun 2015
    52
    26 times
    All Types Of Treasure Hunting
    I didn't use the Usgs site to create it. It was extracted from a series of books. It may be the same data, i don't know.

  7. #7
    us
    Nov 2014
    Northern California
    White's TDI SL, Fors Gold+, Gold Monster 1000, 36" Bazooka Prospector, 30" Bazooka Sniper.
    321
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    Prospecting
    mind posting the file back up for those of us that want to check it out? or pm it?
    Reed Lukens and Clay Diggins like this.

  8. #8

    Jun 2015
    52
    26 times
    All Types Of Treasure Hunting
    Sure

  9. #9
    us
    Nov 2014
    Northern California
    White's TDI SL, Fors Gold+, Gold Monster 1000, 36" Bazooka Prospector, 30" Bazooka Sniper.
    321
    468 times
    Prospecting
    thanks and damn you weren't kidding. I have a pretty high end pc and google earth is lagging like crazy with that file open and looking at the whole country lol. I'd suggest zooming in to at least the county you want to look at and then click the kml file to show the mines, should help the slower pc's out there.
    davin likes this.

  10. #10

    Jun 2015
    52
    26 times
    All Types Of Treasure Hunting
    I can't even effectively use it on my fairly modern cheap laptop it's just a problem with Google earth i think. I found an android app called mapinr that loads it just fine and shows Google or other providers imagery.

    That's a good idea about not activating it til zoomed in,I'm gonna try that.

    Another thing you can do is open it in a txt editor that handles large files(notepad+is good), then break it into smaller kmls. The format is pretty self evident.
    Last edited by sublimages; Jul 10, 2015 at 03:50 PM.
    CA Gold Hunter and davin like this.

  11. #11
    us
    Nov 2014
    Northern California
    White's TDI SL, Fors Gold+, Gold Monster 1000, 36" Bazooka Prospector, 30" Bazooka Sniper.
    321
    468 times
    Prospecting
    I think your right about google earth. I just tried it with a smaller screen so I could watch my ram and cpu usage and they didn't even move but google pretty much froze once i got to around 10 counties in view.

    I just downloaded mapinr, thats a pretty cool app thanks
    Last edited by CA Gold Hunter; Jul 10, 2015 at 03:58 PM.
    Reed Lukens likes this.

  12. #12
    Charter Member
    us
    Nov 2010
    The Great Southwest
    3,530
    10244 times
    Prospecting
    KML isn't designed to handle large datasets. The idea to break it into many smaller files is about the only solution short of converting to a non text format.

    Try converting it to a shapefile or a GDB and it's quite a bit faster. I converted this KML to a shapefile and it's really snappy now. 23,466 items are just way too many for a KML if you want any speed.

    Heavy Pans
    davin likes this.

  13. #13

    Jun 2015
    52
    26 times
    All Types Of Treasure Hunting
    Thanks, I'll check out those formats. Can they be loaded into Google earth? This was my first attempt at creating a file of this type.
    Reed Lukens likes this.

  14. #14
    Charter Member
    us
    Nov 2010
    The Great Southwest
    3,530
    10244 times
    Prospecting
    Without a server Google Earth only uses KML. If you set up a WMS server GE can consume any geo formats as image overlays.

    Heavy Pans
    davin likes this.

  15. #15
    Charter Member
    us
    Look at the Historical Gold Mining photo albums on my page

    Jan 2013
    Huntington, Or./ Stanton, AZ/ former Outlaw California Gold Dredger
    Tesoro Vaquero, Whites MXT, Vsat, GMT, 5900Di Pro, Minelab GPX 5000, GPXtreme, 2200SD, Excalibur 1000!
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    All Types Of Treasure Hunting
    Quote Originally Posted by sublimages View Post
    Thanks, I'll check out those formats. Can they be loaded into Google earth? This was my first attempt at creating a file of this type.
    I had to buy a new pc last week and your kml file worked great
    sublimages likes this.

 

 
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