U.S. Fish & Wildlife ServiceThe non-testing zone for Black carp ploidy was created using a buffer around the Mississippi and Atchafalaya River centerlines from the USGS NHD medium resolution GIS layers. This data set is for display purposes only and is to be used for the FWS Black Carp working group only.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/32336d49a4de4f9cb0b1ba32636a7f3b_0engU.S. Fish and Wildlife Service Open DataPublicBlack Carp Working Group Data: Non-Testing Zone for Black Carp Ploidy [United States]Web servicesUnited StatesLast Modified: 2021-02-22