DNRPolygon delineation of Maryland oyster sanctuaries. The document "Oyster_Sanctuaries_of_the_Chespeake_Bay_and_Tidal_Tributaries_September 2010" is the source material for the features in this dataset. Section I of the document describes sanctuaries that were created prior to September 2010. Section II of the document describe sanctuaries that were created in September of 2010. This is a MD iMAP hosted service. Find more information at https://imap.maryland.gov . Feature Service Link: https://mdgeodata.md.gov/imap/rest/services/Biota/MD_Shellfish/FeatureServer/4ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/746edac445f345c5abb1ca307c5ddd4f_4engMaryland iMapPublicMaryland Shellfish - Oyster Sanctuaries [Maryland]Web servicesMarylandLast Modified: 2025-05-12