How Can Old U

Multiple Choice

How can old U.S. topographic maps be used today in ArcGIS?

A) Downloaded at separate individual GeoPDF tiles from EarthExplorer
B) Streamed as a seamless service or package from ArcGIS Online
C) Downloaded as one seamless layer package from the National Map
D) Streamed as individual "on demand" tiles from the cloud services at Geoplatform.gov