County of Allegheny, PAThis dataset contains locations of major rivers that flow through Allegheny County. These shapes have been taken from the Hydrology dataset. The Ohio River, Monongahela River and Allegheny River are coded as Major Rivers. If viewing this description on the Western Pennsylvania Regional Data Center's open data portal ( https://www.wprdc.org ), this dataset is harvested on a weekly basis from Allegheny County's GIS data portal ( https://openac.alcogis.opendata.arcgis.com/ ). The full metadata record for this dataset can also be found on Allegheny County's GIS portal. You can access the metadata record and other resources on the GIS portal by clicking on the "Explore" button (and choosing the "Go to resource" option) to the right of the "ArcGIS Open Dataset" text below. Category: Geography Organization: Allegheny County Department: Geographic Information Systems Group; Department of Information Technology Temporal Coverage: 2012 Data Notes: Coordinate System: Pennsylvania State Plane South Zone 3702; U.S. Survey Foot Development Notes: Exported from the Hydrology datasets. Other: none Related Document(s): Data Dictionary ( https://docs.google.com/spreadsheets/d/16BWrRkoPtq2ANRkrbG7CrfQk2dUsWRiaS2Ee1mTn7l0/edit?usp=sharing ) Frequency - Data Change: As needed Frequency - Publishing: As needed Data Steward Name: Eli Thomas Data Steward Email: gishelp@alleghenycounty.usArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/def3bd39f12d408c9bd097f5a3b3b136_0engAllegheny County GIS Open DataPublicAllegheny County Major Rivers [Pennsylvania--Allegheny County]Web servicesPennsylvania--Allegheny CountyPennsylvaniaLast Modified: 2015-10-28