Could American helium supplies support German Zeppelins?

Should the United States have supplied helium for German Zeppelins between the wars?

American production led the world, but helium remained difficult to obtain in large quantities.

Helium was difficult to obtain in large quantities even in the United States. Natural gas was its principal source. The case against supplying German Zeppelins rests on that distinction between leading production and having abundant gas available.