GIS Tutorial: Adding custom basemaps to ArcGIS Online, Data.gov Web Map Services
This GIS Tutorial walks through how to customize the ArcGIS Online basemap through web map services and explores web map services as a handy way to add supportive GIS data to your projects. Data referenced is from Data.gov.
Layers used in the tutorial include:
http://maps3.arcgisonline.com/ArcGIS/...
http://catalog.data.gov/dataset/usgs-...
http://csc.noaa.gov/arcgis/services/M...