Help Guides and General Information
Map Services
Cadastral Survey Reference Documents
Cadastral Survey Conversion and Calculation Tools and References
LR2000 Help Guides and Reference Codes
BLM Websites and Programs
Federal/State/Commercial Websites
Help Guides and General Information
Renewable Energy ( includes solar, wind, and geothermal development)
How to find and access Renewable Energy information using GeoCommunicator
Unpatented Mining Claims
How Mining Claims are mapped in GeoCommunicator
How to find and access Mining Claim data
Locating Mining Claims - Information packet
Mining Claim Brochure
BLM Mining and Minerals
Oil & Gas
How to find and access Oil & Gas data in GeoCommunicator
Rangeland (includes range allotments/pastures, horse and burro herd areas)
How to find and access Rangeland Records in GeoCommunicator
Rights-of-Way (includes ROW for wind, solar, power, communication sites, pipelines, roads, etc.)
How to find and access Rights-of-Way records in GeoCommunicator
Federal Land Stewardship - What federal agency is managing the surface of the land
Accessing Federal Land Stewardship (Federal Surface Management Agency) in GeoCommunicator
BLM manual for mapping sciences
Federal Map standards for color
How to find and download PLSS data (Township, Range, Section) in GeoCommunicator
Land Survey Information System Database Design Document (pdf)
Land Survey Information System Entity Relationship Diagram 1 (gif)
Land Survey Information System Entity Relationship Diagram 2 (gif)
Tips & Tricks
How to use GeoCommunicator's map services in your GIS
How to email the Geocommunicator map viewer zoomed into your area
Using Lat/Long with GeoCommunicator to bring up the Identify Tool
BLM Open House PowerPoint
Access to BLM's Land and Mineral Records using LR2000 and NILS' GeoCommunicator (6,410 KB) After the first slide click on the screen to advance the PowerPoint slides instead of using the arrow control keys. This will allow you to see the animation.
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Cadastral Survey Reference Documents
BLM Manual of Surveying Instructions 1973 (html format)
BLM Manual of Survey Instructions 1973 (Web manual)
FGDC Cadastral Data Content Standards
FGDC Cadastral Subcommittee Data For Cadastral Data
Fourteen Steps of a Cadastral Survey
Glossary of BLM Survey and Mapping Terms
Land Status Records - Abbreviations (Master Title Plats, Historical Indexes, etc)
Legal Description Diagram
Master Title Plat- Instructions On How to read a Master Title Plat (MTP)
Principal Base Map and Meridians
Restoration of lost or obliterated corners & subdivisions of sections a guide for surveyors
Specification for Writing Legal Descriptions
Surveying Our Public Lands
Cadastral Survey Conversion and Calculation Tools and References
Computation of GEOID96 GEOID Height
Convert UTM coordinates to latitude and longitude and vice-versa using the National Geodetic Survey (NGS) converter.
Corpscon (Converts coordinates between Geographic, State Plan and UTM on the NAD 27, NAD 83, and HARNs)
Geodetic Control point and GPS Control Data Sheets (public survey control information such as latitude, longitude, height, and gravity data for publishable stations in the form of data sheets)
GEOMAGIX - Magnetic delineation software (Compute Values of Earth's Magnetic Field)
North American Datum Conversion Utility - NADCON
LR2000 Help Guides and Reference Codes
Land and Mineral Records (LR2000) website - This site offers access to land and mineral data from the following systems in LR2000: Case Recordation, Legal Land Descriptions (alphanumeric), Status, and Mining Claims Recordation. Case Recordation contains information on leases, permits, contracts, grants, agreements, mineral patents, etc. issued by the BLM from 1982 to present for minerals, rights-of-ways, exchanges, land withdrawals,etc. Legal Land Descriptions contains information on land survey data. Mining Claim Recordation contains information on unpatented mining claims located on federal lands since 1976.
Contact the for BLM Public Room in the state nearest you for help with questions and on using the LR2000 application. BLM Public Room Contacts
LR2000 Help Guides (These Guides are only helpful for the LR2000 system, not GeoCommunicator)
Introduction to the LR2000 System
LR2000 Guide to Reports
Searching LR2000 for Land and Mineral Reports Help Guide
LR2000 Codes for all reports
Administrative Agency Codes
BLM Administration State Jurisdictions - (Ordered by Administration State or Ordered by Geographic State)
BLM Administration State Map (Web Version or Large Printable Map)
BLM District and Resource Area Office Codes
County Codes
Land Office Codes ( html version or pdf version )
Meridian Codes
Subsurface Segregation Codes (used in title, withdrawals, and classifications)
Surface Segregation Codes (used in title, withdrawals, and classifications)
Survey Types
Survey Notes
LR2000 Codes Specific to Case Recordation Reports
Case Recordation Action Codes
Case Recordation Action Codes that set Case Disposition
Case Recordation Casetype Codes (sorted by code)
Case Recordation Casetype Codes (sorted by meaning)
Case Recordation Commodity Codes (sorted by code)
Case Recordation Commodity Codes (sorted by meaning)
LR2000 Codes Specific to Mining Claim Reports
Mining Claims Action Codes
Mining Claims Case Disposition Codes
Mining Claims Casetypes Codes
BLM Websites and Programs
BLM Websites
BLM Home Page
BLM Public Room Contacts
BLM Energy Home Page
BLM Energy Policy Act of 2005
BLM Coal Program
BLM Geothermal Program
BLM Minerals Program
BLM Oil and Gas Program
BLM Rights-of-Way Program
Federal Land Patent Records Web Site - This site offers researchers a source of information on the initial transfer of land titles from the Federal government to individuals. In addition to verifying title transfer, this information will allow the researcher to associate an individual (Patentee, Assignee, Warrantee, Widow, or Heir) with a specific location (Legal Land Description) in time (Signature date). We also provide image access to more than two million Federal land title records for Eastern Public Land States, issued between 1820 and 1908.
Geographic Coordinate Data Base (GCDB) - The Bureau of Land Management's (BLM) Geographic Coordinate Data Base (GCDB) Web site gives information on the collection of geographic information representing the Public Land Survey System (PLSS) of the United States.
Land and Mineral Records (LR2000) - This site offers access to land and mineral data from the following systems in LR2000: Case Recordation, Legal Land Descriptions (alphanumeric), Status, and Mining Claims Recordation. Case Recordation contains information on leases, permits, contracts, grants, agreements, mineral patents, etc. issued by the BLM from 1982 to present for minerals, rights-of-ways, exchanges, land withdrawals,etc. Legal Land Descriptions contains information on land survey data. Mining Claim Recordation contains information on unpatented mining claims located on federal lands since 1976.
National Cadastral Survey
National Integrated Land System (NILS) - The National Integrated Land System (NILS) is a joint project between the Bureau of Land Management (BLM)and the USDA Forest Service (USFS) in partnership with the states, counties, and private industry to provide business solutions for the management of cadastral records and land parcel information in a Geographic Information System (GIS) environment. This site provides the latest information on the NILS project.
Teachers Guide to Energy on Public Lands - very informative publication for anyone interesting in learning about energy.
Federal/State/Commercial Websites
Federal Websites
Code of Federal Regulations
Department of Energy (DOE) - DOE provides information relating to energy efficiency and renewable energy.
Federal Geographic Data Committee (FGDC) - The Federal Geographic Data Committee coordinates the development of the National Spatial Data Infrastructure (NSDI). The NSDI encompasses policies, standards, and procedures for organizations to cooperatively produce and share geographic data. The 17 federal agencies that make up the FGDC are developing the NSDI in cooperation with organizations from state, local and tribal governments, the academic community, and the private sector.
Federal Register On-line
National Atlas of the United States - The updated National Atlas is designed to provide a reliable summary of national-scale geographical information. Though it cannot provide detailed map information, the Atlas directs users to other sources for this information. It delivers easy to use, map-like views of America's natural and sociocultural landscapes.
National Geodetic Survey - The National Geodetic Survey (NGS) develops and maintains a national system of positioning data needed for transportation, navigation, and communication systems; land record systems; mapping and charting efforts; and defense operations.
National Geospatial Data Clearinghouse - The Geospatial Data Clearinghouse is a collection of over 250 spatial data servers, that have digital geographic data primarily for use in Geographic Information Systems (GIS), image processing systems, and other modeling software. These data collections can be searched through a single interface based on their descriptions, or "metadata."
The National Map - The National Map is on on-line, interactive map service providing public access to high-quality, geospatial data and information from multiple partners to help support decision making by resource managers and the public. The National Map has replaced the topographic maps.
National Mapping Information - USGS National Mapping site containing information, searches, and links for all kinds of geospatial information.
National Renewable Energy Laboratory (NREL)
National Renewable Energy Laboratory (NREL) - Wind Energy
U.S. Code
USGS Digital Backyard - USGS site for sources of topographic maps, aerial photos, digital orthophotos quadrangles, and digital raster graphics.
USGS Geographic Data Download - USGS site containing data for downloading.
Wind Powering America
State Websites
Washington Cadastral Framework - The Washington Cadastral Framework is an effort to identify commonly needed and maintained cadastral data, implement a framework cadastral database, and develop tools to share cadastral data among federal, state, local, and private organizations throughout the state.
Commercial Websites
Cadastral Survey Web Site - This site is privately supported reference providing information of interest to the land surveyor (also known as the Cadastral Surveyor) involved in the preservation and retracement of the Public Land Survey System (PLSS) in the United States.
Measurement Management Software Distribution Web Site - This is Kurt Worm's site for the distribution of the Geographic Measurement Management (WinGMM) and Cadastral Measurement Management (WinCMM) software for windows.