113Th Congressional District TIGER/Line Shapefiles Technical Documentation
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R 113th Congressional District TIGER/Line Shapefiles Technical Documentation R U.S. Department of Commerce Geography Division U.S. Census Bureau R 113th Congressional District TIGER/Line Shapefiles 2010 Technical Documentation Issued December 2012 T O ME N F C RT OM PA M E E D R . C S. E U B U S R U E S AU E N OF THE C U.S. Department of Commerce Rebecca M. Blank, Acting Secretary Economics and Statistics Administration Vacant, Under Secretary for Economic Affairs U.S. Census Bureau Thomas L. Mesenbourg, Acting Director SUGGESTED CITATION FILES: 113th Congressional District TIGER/Line Shapefiles [machine-readable data files]/ prepared by the U.S. Census Bureau, December 2012 TECHNICAL DOCUMENTATION: 113th Congressional District TIGER/Line Shapefiles Technical Documentation/prepared by the U.S. Census Bureau, December 2012 U.S. CENSUS BUREAU Thomas L. Mesenbourg, Frank A Vitrano, Acting Director Acting Associate Director for Decennial Census Nancy A. Potok, Deputy Director GEOGRAPHY DIVISION Timothy F. Trainor, Chief Andrea G. Johnson, Atri Kalluri, Assistant Division Chief for Assistant Division Chief for Spatial Geographic Operations Data Systems and Database Management Ama Danso, Gerard Boudriault, Assistant Division Chief for Address Assistant Division Chief for Software Production and Control Leslie Godwin, Michael R. Ratcliffe, Assistant Division Chief for Assistant Division Chief for Geographic Program Management Geocartographic Products and Criteria Gregory F. Hanks, Jr, D e i r d r e B i s h o p , Assistant Division Chief for Geographic Operations Advisor Geographic Partnerships Acknowledgments The 113th Congressional District TIGER/Line® Shapefiles Technical Documentation was produced by the Geography Division under the guidance of Timothy Trainor, Division Chief and Michael Ratcliffe, Assistant Division Chief for Geocartographic Products and Criteria. The 113th Congressional District TIGER/Line® Shapefiles Technical Documentation and specifications for the 113th Congressional District TIGER/Line Shapefiles were compiled by staff in the Geographic Products Branch under the guidance of Jennifer Holland. Programming for this version of the TIGER/Line® Shapefiles was done by the Spatial Products Software Branch under the guidance of Ricardo Ruiz, Branch Chief. Programming related to the website was done by staff in the Spatial Products Software Branch, the Workflow Control Branch, and the Website Services and Coordination Staff of the Application Services Division. Programming and requirements related to the Quality Control software was done by staff in the Core Update Software Branch and Geographic Process and Quality Management Branch of the Geography Division. This version of the technical documentation was released on December 21, 2012. Table of Contents 1 Introduction ....................................................................................................................................................................................... 1-1 1.1 What are TIGER/Line Shapefiles? ......................................................................................................................... 1-1 1.2 Relationship of the TIGER/Line Shapefiles to Census Statistical Data ......................................... 1-1 1.3 History of TIGER/Line Files and Shapefiles ................................................................................................... 1-1 1.4 New Layers in the 113th Congressional District TIGER/Line Shapefiles....................................... 1-2 1.5 TIGER/Line Shapefile Legal Disclaimers .......................................................................................................... 1-2 1.6 Questions and Contact Information ................................................................................................................... 1-2 2 About the 113th Congressional District TIGER/Line Shapefiles ........................................................................ 2-3 2.1 What are the 113th Congressional District TIGER/Line Shapefiles? ................................................ 2-3 2.2 Geographic Features and Boundaries Available in the 113th Congressional District TIGER/Line Shapefiles ...................................................................................................................................... 2-3 2.3 Boundary Changes ........................................................................................................................................................ 2-4 2.4 Spatial Accuracy of Linear Features ................................................................................................................... 2-4 2.5 Initial Sources ................................................................................................................................................................... 2-4 2.6 Coordinates ....................................................................................................................................................................... 2-5 2.7 Codes for Geographic Entities ............................................................................................................................... 2-5 3 Structure and Format ................................................................................................................................................................... 3-5 3.1 Organization of the Files........................................................................................................................................... 3-6 Table 1: 113th Congressional District Shapefile Layers Availability by Parent Geography ..................... 3-9 3.2 File Naming Conventions ....................................................................................................................................... 3-10 3.3 Datum (GCS NAD 83) ................................................................................................................................................. 3-10 3.4 Metadata ........................................................................................................................................................................... 3-10 4 Shapefile Attribute Terms Glossary ................................................................................................................................ 4-12 4.1 Edge ..................................................................................................................................................................................... 4-12 4.2 Face 4-12 4.3 Feature ............................................................................................................................................................................... 4-12 4.4 Feature Identifier ........................................................................................................................................................ 4-12 4.5 Feature Indicators ....................................................................................................................................................... 4-12 4.6 Geographic Corridors ............................................................................................................................................... 4-12 4.7 GCSEFLG ............................................................................................................................................................................ 4-12 4.8 MAF/TIGER Feature Class Code (MTFCC) ..................................................................................................... 4-13 4.9 Node .................................................................................................................................................................................... 4-13 4.10 Parity ................................................................................................................................................................................... 4-13 4.11 Relationship file ........................................................................................................................................................... 4-13 4.12 Shapefile ........................................................................................................................................................................... 4-13 5 Geographic Shapefile Concepts Overview................................................................................................................... 5-14 i 5.1 American Indian / Alaska Native / Native Hawaiian (AIANNH) Areas ........................................ 5-14 5.1.1 Alaska Native Regional Corporations (ANRCs) .............................................................. 5-14 5.1.1.1 Alaska Native Regional Corporation (ANRC) State-based Shapefile Record Layout (2010 Census) ............................................................................................................................................... 5-14 5.1.2 American Indian / Alaska Native / Native Hawaiian (AIANNH) Areas ............. 5-15 5.1.2.1 American Indian/Alaska Native/Native Hawaiian (AIANNH) Area National Shapefile Record Layout (2010 Census) ....................................................................................................... 5-19 5.1.3 American Indian Tribal Subdivisions ................................................................................... 5-20 5.1.3.1 American Indian