Agency Data Examples: Forest Service, Portland

The Automated Lands Project (ALP) Entity-Relationship Diagram


Shown below is a portion of the Forest Service Automated Lands Project (ALP) Entity Relationship Diagram. Follow the link shown below to see how some of the entities from this portion of the ALP model crosswalk to the Cadastral Data Content Standard.

ALP E-R Diagram on Spatial Land Unit

The Attributes for the Entities shown above, found in the ALP CASE Dictionaries, are:

CORNER

CORNER IDENTIFIER TRACT - attributes and definitions not available

TOWNSHIP - attributes and definitions not available

SECTION

ALIQUOT PART UNSECTIONALIZED AREA - attributes and definitions not available

GOVERNMENT LOT

USGS QUAD - attributes and definitions not available

View the above Attributes crosswalked to Attributes in the Cadastral Data Content Standard.

Back to ALP example.


To other Agency Examples:


Links to the Course Sections and Modules: [Quick Reference] [Introduction] [Section 1: Purpose and Benefits of the Cadastral Data Content Standard] [Section 2: How the Standard Was Developed] [Section 3: Other Standards and Related Activities] [Section 4: Data Modeling Techniques, Rules and Diagram Conventions] [Section 5: Crosswalks, Translations, and Examples] [Section 6: Understanding Compliance with the Standard] [Section 7: Maintenance of the Standard] [Section 8: User and Technical Support] [County Recorder Module] [GIS Specialist Module] [Surveyor Module] [Glossary]


Learning the Cadastral Data Content Standard

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Presented by the United States Department of the Interior Bureau of Land Management,

and the Federal Geographic Data Committee Cadastral Subcommittee