Geographic Names Information System

Geographic Names Information System. It is the official federal repository of standardized geographic names within the United States and its territories, managed by the United States Geological Survey under the authority of the United States Board on Geographic Names. This comprehensive database contains information on physical and cultural geographic features, providing essential data for cartography, land management, and scientific research. The system ensures uniformity in geographic nomenclature across all branches of the United States Government.

Overview

The primary function of the system is to maintain standardized names for features such as mountains, lakes, streams, valleys, and populated places. It serves as the definitive source for resolving name conflicts and establishing official terminology, which is critical for accurate communication in emergency response, environmental planning, and military operations. The database is integral to the National Spatial Data Infrastructure and supports the work of agencies like the National Oceanic and Atmospheric Administration and the Federal Emergency Management Agency. By providing a single authoritative source, it eliminates confusion that can arise from variant names used on historical maps or in local vernacular.

History and development

The origins of formal domestic geographic naming policy trace back to the late 19th century, leading to the creation of the United States Board on Geographic Names in 1890. Prior to the digital era, the board's decisions were published in a series of gazetteers. The development of a computerized system began in the early 1970s, with the modern database officially launched in 1974 as a collaborative effort between the United States Geological Survey and the board. This initiative was part of a broader move towards federal digital data management, paralleling projects like the Global Positioning System. Subsequent decades saw major enhancements, including integration with GIS technology and the migration to online public access via the Internet.

Data content and structure

Each record in the database is a feature entry containing a wealth of attributes. Core data elements include the official name, feature type, decimal degree coordinates specifying its location, and the county and state in which it resides. Additional fields may capture elevation, USGS topographic map references, historical names, and the decision history of the United States Board on Geographic Names. The system classifies features using a detailed typology that includes categories for civil divisions, hydrographic features, and landforms. This structured data model allows for complex queries and seamless integration with other spatial datasets.

Access and usage

The database is freely accessible to the public through a web-based query interface maintained by the United States Geological Survey. Users can search by name, location, or feature type, and results can be downloaded in various formats for use in GIS software or other applications. This open access policy supports a wide range of users, from federal agencies like the United States Forest Service and the National Park Service to local planners, researchers, and private citizens. The data is fundamental to creating accurate base maps, conducting demographic studies, and supporting navigation systems.

Governance and maintenance

Oversight and policy direction are provided by the United States Board on Geographic Names, an interagency body established by Executive Order and now operating under the United States Department of the Interior. The board's Domestic Names Committee is responsible for reviewing and approving proposed new names or name changes for domestic features. Day-to-day operational management, including data entry, quality control, and public outreach, is handled by staff at the United States Geological Survey's National Geospatial Program. Proposed changes often originate from state authorities, federal land managers, or the public, and are evaluated against strict principles that prioritize local usage and historical significance.

Related systems and integration

The system does not operate in isolation; it is part of an ecosystem of national and international geographic data resources. Domestically, it feeds data into the National Map and other federal GIS platforms. For foreign geographic names, the United States Board on Geographic Names maintains a separate repository, the GEOnet Names Server, which is managed by the National Geospatial-Intelligence Agency. Internationally, the United States contributes data to the United Nations Group of Experts on Geographical Names, promoting global standardization. The system's data is also leveraged by commercial mapping services and academic projects to ensure consistency across platforms. Category:United States Geological Survey Category:Gazetteers Category:Geography of the United States Category:Geographic data and information