{ "currentVersion": 11.2, "cimVersion": "3.2.0", "serviceDescription": "The Nationwide Rivers Inventory (NRI) is a listing of more than 3,200 free-flowing river segments in the United States that are believed to possess one or more \"outstandingly remarkable\" natural or cultural values judged to be at least regionally significant. Hence, NRI river segments are potential candidates for inclusion in the National Wild and Scenic River System. Under the Wild and Scenic Rivers Act section 5(d)(1) and related guidance, all federal agencies must seek to avoid or mitigate actions that would adversely affect one or more NRI segments.\nThe NRI is a source of information for statewide river assessments and federal agencies involved with stream-related projects. For any group concerned with ecosystem management, the inventory can provide the location of the nearest naturally- functioning system which might serve as a reference for monitoring activities. It also serves as a listing of plant and animal species for restoration efforts on a similar section of river. For the recreationalist, it provides a listing of free-flowing, relatively undisturbed river segments. \n\nThis data set is for the contiguous United States as well as Alaska, Hawaii, and Puerto Rico and contains 3,213 river segments. This update includes: \n\u2022 Updating the geospatial resolution/ scale to 1:24K \n\u2022 Removing duplicate and overlapping segments \n\u2022 Removing segments or portions of segments that were designated into the National WSR System\n\u2022 Creating a geodatabase with additional attribute fields. Attributes from the original GIS layer were transferred over. Known information on the classification, official NRI list, number of river miles (calculated from GIS) and management entity (federal) were filled in. Notes were made when changes were made to the data. Not all the attributes in the database are filled in and select rivers have additional information.\n\nThe new number of NRI river segments is 3,213 (down from 3,439 in the original access files and 2,805 in the original GIS shape file.) Many more segments were modified to remove the designated WSR reaches. Candidate rivers that were found eligible through 5(a) and 5(d) WSR studies since 1993 by the USFS, USFWS, BLM, and NPS in OR have not been added to this database. In order to add these to the official NRI list, the Secretary of Interior would need to announce this addition and notify other federal agencies of this action. No new studies would be needed. It is just a matter of compiling existing studies and data. \nThe file represents the line data for the river segments that are on the NRI list in the contiguous United States as well as Alaska, Hawaii, and Puerto Rico. The data was created by extracting the river segments from the NHD data layer with a 1:24,000 scale.\n", "mapName": "Layers", "description": "The file represents the line data for the river segments that are on the NRI list in the contiguous United States as well as Alaska, Hawaii, and Puerto Rico. 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