Map of North America marked indicating areas coverage from Apollo photography

S70-06463 (June 1970) --- This map of North America has been marked to indicate areas of photographic imagery available from Apollo photography (32-degree orbits) as opposed to that imagery which will be available from a 50-degree inclined orbit. The region between the two broken lines will be in the area that can be covered by the first manned Skylab mission in 1973. Photo credit: NASA