On 1/4/2016 14:14, Charles Goldsmith wrote:
I'm not sure how often the maps are updated
BLM maps are updated on irregular schedules that usually are dictated by how much needs correcting. Some maps go many years without changes.
Generally, unless there is an active land swap ongoing (a years-long process), or you are very near urban areas where parcels are made available for municipal purposes or cleaning up irregular, isolated tracts hard to efficiently manage, the accuracy tends to be good and stable.
You also can go the the BLM GIS site, where you can see all sorts of data, including surface ownership (with the usual caveats that 100% accuracy is not guaranteed).
If you want to use it offline you'll need a copy of ARCGis ($$$) but it's an interesting site to poke around.
Here's a couple of the many links there. http://www.geocommunicator.gov/GeoComm/lsis_home/home/ http://www.geocommunicator.gov/GeoComm/whatsnew.htm _______________________________________________ Texascavers mailing list | http://texascavers.com Texascavers@texascavers.com | Archives: http://www.mail-archive.com/texascavers@texascavers.com/ http://lists.texascavers.com/listinfo/texascavers
