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

Land Administration Records

Can be some of the most detailed and complicated records to gather and analyze

Land Title

Survey Records

Use Authorizations

Federal Land Records

Use Authorizations • Rights-of-Way• Oil &Gas Leasing• Mineral Leasing• Mineral Materials• Withdrawals• Land Classifications

Land Title Conveyance• Disposals• Exchanges• Acquisitions

Collection of Public Land Survey System Data (PLSS)

Township/Range/Section/Aliquot, special survey, geopolitical information

Legal Land Description (derived from PLSS)

Information Accessibility Evolution

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)

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

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

GeoCommunicator Map Services in ArcMap

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

Feature Services Selection Exported to Shapefile

Load GeoCommunicator WMS into Google Earth

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.

Survey Exporter

Select Townships to download from the Land Survey Information System

Survey Exporter

Download survey points, points/lines, or control points in different formats (KML, GPX, list, GeoRSS)

Find LD

Find LD -provides a way to find and draw a land description on a map

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

Select Identify to find what is occurring on lands where the parcel is located.

Identify

Identifies what is occurring in the area defined on the map

Derive LD – Sketch area

Copy description, turn on map layers, use identify

Sketch AreaSelect Derive LD

GeoCoder – developed for NIFC

Converts lat/long to T/R/S/Aliquot and vice-versa

Enter T/R/S/aliquot- coordinates returned

Enter coordinates – T/R/S/aliquot returned

Used for:

• Fire

• Wells

• Pipelines

• MC

Zoom to feature

File Conversion

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

References are available online• http://www.geocommunicator.gov

For Further Information

• Contact Us!

…or contact me!

John Reitsma - jreitsma@blm.gov -(303) 236-1984