20231013 11294300 1.0 TRUE Mapping Boundaries - COG with Adjunct Members The boundary feature classes were developed using multiple sources to produce the most relevant boundary layers for COG/TPB. Generally, county and county equivalent jurisdictions use the 2020 Census County level TIGER/Line geography. Jurisdictional data for independent cities and other COG/TPB member jurisdictions, where available, were used in place of Census data.The Census TIGER data are available at: https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.html. The TIGER/Line Shapefiles are extracts of selected geographic and cartographic information from the Census Bureau's Master Address File (MAF)/Topologically Integrated Geographic Encoding and Referencing (TIGER) system. Although it doesn't include any demographic information, the TIGER/Line Shapefiles contain a standard geographic identifier (GEOID) for each entity that links to the GEOID in the data from censuses and surveys which include them. U.S. Census Bureau National Capital Region Transportation Planning Board (TPB) Metropolitan Washington Council of Governments (COG) Maryland-National Capital Park and Planning Commission (M-NCPPC) Prince George's County Prince William County City of Bowie City of Falls Church City of Frederick City of Gaithersburg City of Laurel City of Rockville