ADMINISTRATIVE_AREA

ISO-19139 Metadata

Metadata Information

Metadata character set: utf8
Last update:
Metadata maintenance:
Update frequency: monthly
Metadata constraints:
General constraints:
Limitations of use: Users should be aware that the IENCs reflect best available information at the time the data was collected. These data products are subject to change.
Metadata constraints:
Legal constraints:
Limitations of use: None (Public Domain Information)
Metadata constraints:
Security constraints:
Limitations of use: None (Public Domain Information)
Classification: unclassified
Classification system: USCAPCO
Metadata contact:
Scope of the data described by the metadata: dataset
Scope name: dataset
Name of the metadata standard used: ISO 19139 Geographic Information - Metadata - Implementation Specification
Version of the metadata standard: 2007

Data Identification Information

Resource citation:
Title: ADMINISTRATIVE_AREA
Date:
Reference date - publication: 2024-10-15
Cited responsible party:
Role: pointOfContact
Organization's name: Army Geospatial Center
Contact's position: IENC POC
Contact information:
Address:
e-mail address: IENC_POC@usace.army.mil
Themes or categories of the resource:
Descriptive keywords:
Place keywords:
Keywords: Continental United States
Descriptive keywords:
Theme keywords:
Keywords: USACE, USCG, IENC, HIFLD, Inland Electronic Navigation Charts
Abstract: The U.S. inland navigation system consists of of rivers maintained by the Corps of Engineers in 22 states, and includes 276 lock chambers with a total lift of 6,100 feet. The highly adaptable and effective system of barge navigation moves over 625 million tons of commodities annually, which includes coal, petroleum products, various other raw materials, food and farm products, chemicals, and manufactured goods. The shallow draft waterways have many unique characteristics and difficulties over coastal harbor and ocean navigation; river levels can change by over 30 feet in a seasonal cycle, the navigation channel can shift significantly within the river banks, and shifting yet ever present river currents pose constant challenges in these confined waterways. Electronic chart systems can offer significant benefits to vessels including accurate and real-time display of vessel position relative to waterway features, voyage planning and monitoring, training tools for new personnel and integrated display of river charts, radar, and Automatic Identification Systems.Following recommendations by the National Transportation Safety Board, the National Academy of Science and the American Waterways Operators, Congress directed the Corps of Engineers to develop and publish electronic charts for the inland waterways. Development of Inland Electronic Navigational Charts (IENCs) to cover the Mississippi River and tributaries thus began in 2001 with pilot projects on the Atchafalaya River in Louisiana and Lower Mississippi River near Vicksburg, Mississippi. These projects, which involved a combination of in-house and contract activities, were the first efforts to collect and convert inland waterway data, commonly used for river and channel maintenance, into the international S-57 hydrographic data exchange. This highly structured data format is commonly used for electronic chart applications and will be used for Corps IENCsAn S-57 database is extracted into an Esri File Geodatabase for publication. This is that geodatabase and it contains 99 feature classes that make up the IENC data.IENC_POC@usace.army.mil
Purpose: A defined (and possibly named) administrative area. Distinction: land region; contiguous zone; continental shelf area; exclusive economic zone; fishery zone; territorial sea area;
Dataset language:
Dataset character set: utf8
Resource constraints:
General constraints:
Limitations of use: Users should be aware that the IENCs reflect best available information at the time the data was collected. These data products are subject to change.
Resource extent:
Extent description: The USACE IENCs coverage area consists of 7,260 miles across 21 rivers primarily located in the Central United States. IENCs apply to inland waterways that are maintained for navigation by USACE for shallow-draft vessels (e.g., maintained at a depth of 9-14 feet, dependent upon the waterway project authorization). Generally, IENCs are produced for those commercially navigable waterways which the National Oceanic and Atmospheric Administration (NOAA) does not produce Electronic Navigational Charts (ENCs). However, Special Purpose IENCs may be produced in agreement with NOAA.
Geographic element:
Bounding rectangle:
West longitude: 0
East longitude: 0
North latitude: 0
South latitude: 0
Geographic element:
Geographic description:
Extent contains the resource: true
Geographic identifier:
Supplemental information: This geodatabase feature class is created as part of the publication of the IENC data. It is authoritative from the United States Army Corps of Engineers Inland Electronic Navigation Charts (USACE IENC) as of the date of publication. This data may be updated twice a month. A master feature service containing 92 of the 99 layers as feature services that can be exported and queried can be referenced in the Distribution information section. Note that seven of the services have modified symbology due to feature limitations. They are: DAM_LINE, FERRY, LEVEE_LINE, Overhead_Pipeline, RAILROAD, ROAD_LINE, SUBMARINE_PIPELINE. The six layers that were removed were: Building_Point, Buoy_Special_Purpose, Daymark, Depth_Area, Shoreline_Construction_Area, Shoreline_Construction_Line. Other download options are included in Distribution information. In addition to these options, KML, RSS, and GeoPDF data downloads can be found at: https://ienccloud.us/#DataDownload This page also contains up-to-date alternative geo-enabled formats found in other distribution options as well as an interactive browser map viewer and a viewer that visualizes individual chart coverage. Spelling, capitalization, abbreviation definitions, and formatting in dataset attribution comply with the Encoding Guide of Inland ENC (<http://ienccloud.us/ienc/products/files/documents/IENC%20Encoding%20Guide%20-%20Edition%202.3.6.pdf>). For example: 1) The mandatory source indicator is encoded under the following format (per page 13 of the encoding guide): 2 character country code, 2 character authority code, 5 character source code, identifier (no restriction on number of characters), e.g., (US,U3,SURVY,2001_Hydro_Survey). 2) Blank values indicate data that was not provided or otherwise not available; Denotes missing data that was not present in the source data. However, the missing data may be present in other sources not yet discovered and used in the creation and/or maintenance of this dataset. These records may be populated with valid information in future update cycles. Null values are not the same as blank values and may indicate values that were not translated from the original source charts. 3) Abbreviations and capitalization may reference a temporary status or a standard United States Coast Guard (USCG) Navigation Center entity (<https://www.navcen.uscg.gov/>; a recent light list containing abbreviations can be found at <https://www.navcen.uscg.gov/pdf/lightLists/LightList_V5_2020.pdf>). Additional common abbreviations are included in specific feature class field and supplemental information metadata. These occur in fields such as but not limited to Object_Name and Information in feature classes including but not limited to BUOY_SPECIAL_PURPOSE, CAUTION_AREA, CAUTION_AREA_POINT, DAYMARK, Lateral_Beacon, FLOODWALL, ISOLATED_DANGER_BUOY_POINT, LAND_REGION_POINT, LIGHTS, MOORING_FACILITY_POINT, Notice_Mark, PILE_POINT, PYLONS_AREA, SEA_AREA_POINT, SHORELINE_CONSTRUCTION_AREA, SHORELINE_CONSTRUCTION_LINE, SUBMARINE_PIPELINE_POINT, Lateral_Buoy, and RAILROAD. 4) In cases where units are not indicated in an entry that are encapsulated in parentheses, the units are assumed to be a mile marker referencing statute miles. These occur in fields such as but not limited to Object_Name and Information in feature classes in feature classes including but not limited to Bridge_Area, BUOY_SPECIAL_PURPOSE, CAUTION_AREA, CAUTION_AREA_POINT, CONVEYOR_AREA, FERRY, HARBOR_FACILITY_POINT, ISOLATED_DANGER_BUOY_POINT, LAND_REGION_POINT, Lateral_Beacon, LIGHTS, Lock_Basin, MOORING_FACILITY_AREA, MOORING_FACILITY_POINT, PILE_POINT, SEA_AREA_POINT, SHORELINE_CONSTRUCTION_AREA, SHORELINE_CONSTRUCTION_LINE, Traffic_Signal_Station, Warning_Signal_Station, Waterway_Gauge_Point, DAYMARK, Lateral_Buoy, and OBSTRUCTION_POINT. To query specific enumerations and definitions not included in this metadata, access an up to date, interactive IENC Feature Catalog at: http://ienccloud.us/ienc/web/s-57/index24.html.
Credits: USACE IENC

Data Quality

Scope of quality information:
Data quality report:

Distribution Information

Distributor:
Distributor contact:
Role: pointOfContact
Organization's name: Army Geospatial Center
Contact's position: IENC POC
Contact information:
Address:
e-mail address: IENC_POC@usace.army.mil
Distributor transfer options:
Transfer size: 9.26
Units of distribution (e.g., tiles): MB
Online distribution information:
Name of resource: HIFLD Open
Online location: https://hifld-geoplatform.opendata.arcgis.com/
Description: The HIFLD Open homepage distributes this data from the map services and allows downloads and web service access in a variety of formats with additional descriptive information.
Distributor:
Distributor contact:
Role: pointOfContact
Organization's name: Army Geospatial Center
Contact's position: IENC POC
Contact information:
Address:
e-mail address: IENC_POC@usace.army.mil
Distributor transfer options:
Online distribution information:
Name of resource: IENC Map Services
Online location: https://ienccloud.us/arcgis/rest/services
Description: Hosts Map Services, WFS, and WMS services by Chart and Feature Class for quick attribute review in web maps and ArcMap.
Distributor:
Distributor contact:
Role: pointOfContact
Organization's name: Army Geospatial Center
Contact's position: IENC POC
Contact information:
Address:
e-mail address: IENC_POC@usace.army.mil
Distributor transfer options:
Transfer size: 131
Units of distribution (e.g., tiles): MB
Online distribution information:
Name of resource: Master Geodatabase
Online location: http://ienccloud.us/ienc/products/files/u37/ienc_master_dataset_gdb/USACE_IENC_Master_Service_gdb.zip
Description: The IENC Master Geodatabase downloads all 400,000+ features in all charts and datasets to a single geodatabase for offline use of the entire dataset suite.
Distributor:
Distributor contact:
Role: pointOfContact
Organization's name: Army Geospatial Center
Contact's position: IENC POC
Contact information:
Address:
e-mail address: IENC_POC@usace.army.mil
Distributor transfer options:
Transfer size: 9.26
Units of distribution (e.g., tiles): MB
Online distribution information:
Name of resource: IENC Hosted Feature Services
Online location: https://services3.arcgis.com/JR1tf2VoTNNjWen5/arcgis/rest/services/USACE_IENC_HIFLD_Layers/FeatureServer
Description: Hosts a subset of the dataset (see supplemental information on which feature classes have limitations) as Feature Services by Feature Class for ArcMap detailed attribute access and dynamic exporting for offline use.
Distribution format:
Format name: File Geodatabase Feature Class
Format version: ArcGIS Desktop 10.8.1 Build 14362