gopher wood

Make thee an ark of gopher wood; rooms shalt thou make in the ark, and shalt pitch it within and without with pitch.

Another question sometimes agitated is, what kind of wood is meant by gopher wood?

The wild cypress yielded gopher wood, of which the Ark was made.

Make thee an ark of gopher-wood; rooms shalt thou make in the ark, and shalt pitch it within and without with pitch.

Make thee an ark of gopher wood; rooms shalt thou make in the ark, and shalt pitch it within and without with pitch (bitumen).

Anyhow, it will be hard to prove that it is not gopher wood.