castnet_site_map 2019-05-16T11:24:15.908-04:00 <p>Layer providing CASTNET site locations</p> Clean Air Status and Trends NetworkAir qualityRural monitoring networkatmospheric deposition https://services.arcgis.com/cJ9YHowT8TU7DUyn/arcgis/rest/services/castnet_site_map/FeatureServer North American Profile of ISO19115 2003 2019-05-16 11:20:16.20 2019-05-16 11:35:16.79 1.0 NAP editor:esri.dijit.metadata.editor 2019-05-16 191185a425a44a189e0f31b9120cbcc7 Melissa Puchalski US EPA/OAP