web based gis for land administration 20090629
DESCRIPTION
Discover the spatial data layers that BLM is currently making available to the public through the GeoCommunicator web mapping portal.TRANSCRIPT
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How to Benefit from Web Based GIS for Land Administration
John ReitsmaBureau of Land Management
SUR1783July 14,2009
3:15 PM-4:30 PMRoom 30a
San Diego Convention Center
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Land Administration Records
Can be some of the most detailed and complicated records to gather and analyze
Land Title
Survey Records
Use Authorizations
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Federal Land Records
Use Authorizations • Rights-of-Way• Oil &Gas Leasing• Mineral Leasing• Mineral Materials• Withdrawals• Land Classifications
Land Title Conveyance• Disposals• Exchanges• Acquisitions
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Collection of Public Land Survey System Data (PLSS)
Township/Range/Section/Aliquot, special survey, geopolitical information
Legal Land Description (derived from PLSS)
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Information Accessibility Evolution
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http://www.geocommunicator.gov
GeoCommunicator – Spatial Interface to Land Records
Provides interactive mapping of:
•Public Land Survey Data (PLSS)
• Federal Leasing and Use Authorizations
•Federal Land Disposition
• Federal Surface Management Agency Boundaries (SMA)
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Parameters can be passed for custom map views
http://www.geocommunicator.gov/NILS-PARCEL2/map.jsp?Long=-106.10855&Lat=39.29002&MAP=MC&Label=My%20Claim
?Long=-106.10855&Lat=39.29002&MAP=MC (OG,GT,SM,MC) &Label= My Claim
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Call Geocomm’s Identify from Any Application
WY Oil & Gas has a NILS button that brings up the identify results from GeoCommunicator when you click on a lease.
Identify provides
• PLSS data
• SMA
• Leasing Info
• Sale Parcels
• Links to LR2000
NILS Lease
http://wogccms.state.wy.us/
http://www.geocommunicator.gov/blmMap/identify.jsp?iXmin=-108.12345&iYmin=43.12345&iXmax=-108.12344&iYmax=43.12346&tabset=energy
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GeoCommunicator Map Services in ArcMap
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Provide a shapefile of O&G leases which fall within a particular county
• Add the county layer from BLM_MAP_BASEMAPS
• Add Oil & Gas Leases from BLM_FEATURE_OIL_AND_GAS featureclass= “OG Leases – Authorized”
• Select by location • Export selected leases
Data Extraction Example from IMS
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Feature Services Selection Exported to Shapefile
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Load GeoCommunicator WMS into Google Earth
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GeoCommunicator Web Services
• Survey Exporter
• Find Land Description (LD)
• Derive Land Description (LD)
• GeoCoder
The web services are available on GeoCommunicator and to other application developers as GeoRSS.
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Survey Exporter
Select Townships to download from the Land Survey Information System
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Survey Exporter
Download survey points, points/lines, or control points in different formats (KML, GPX, list, GeoRSS)
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Find LD
Find LD -provides a way to find and draw a land description on a map
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Find LD
Select the Sections and Aliquots
Enter in the land description:
State, Township, Range
Select Find Boundary to draw
the parcel on the map
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Select Identify to find what is occurring on lands where the parcel is located.
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Identify
Identifies what is occurring in the area defined on the map
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Derive LD – Sketch area
Copy description, turn on map layers, use identify
Sketch AreaSelect Derive LD
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GeoCoder – developed for NIFC
Converts lat/long to T/R/S/Aliquot and vice-versa
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Enter T/R/S/aliquot- coordinates returned
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Enter coordinates – T/R/S/aliquot returned
Used for:
• Fire
• Wells
• Pipelines
• MC
Zoom to feature
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File Conversion
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GeoRSS feeds
GetLatLon and GetLatLonFeed• http://www.geocommunicator.gov/TownshipGeocoder/
TownshipGeocoder.asmx/GetLatLon?TRS=CO,06,001,0,S,074,0,W,001,SWNE,0
• http://www.geocommunicator.gov/TownshipGeocoder/TownshipGeocoder.asmx/GetLatLonFeed?TRS=CO,06,001,0,S,074,0,W,001,SWNE,0
GetTRS and GetTRSFeed MethodsThe TownshipGeocoder web service’s GetTRS and GetTRSFeed methods return:A description of the smallest PLSS survey area intersecting a given coordinate.A GeoRSS point feature representing the input coordinate.A GeoRSS polygon feature representing the boundary of the intersecting PLSS survey area.
http://www.geocommunicator.gov/TownshipGeocoder/TownshipGeocoder.asmx/GetTRS?Lat=40&Lon=-105&Units=eDD&Datum=NAD83
http://www.geocommunicator.gov/TownshipGeocoder/TownshipGeocoder.asmx/GetTRSFeed?Lat=40&Lon=-105&Units=eDD&Datum=NAD83
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References are available online• http://www.geocommunicator.gov
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For Further Information
• Contact Us!
…or contact me!
John Reitsma - [email protected] -(303) 236-1984