Valley of the primeval river.

Gaston, you are positively primeval.

The primeval river has dried up... and only today's puddles still quiver.

All around us, still clumsily drifting about in its primeval soup of culture, is another replicator.

From the most hallowed branch of the primeval ash he fashioned the shaft of his spear.

The Eastern Hemlock forest is being considered in some ways the last fragments of primeval rainforest east of the Mississippi River.

Four fifths of the world's energy still comes from burning each year four cubic miles of the rotted remains of primeval swamp goo.

And in the last two to three summers, these invasive organisms, this kind of Ebola of the trees, as it were, has swept through the primeval Hemlock forest of the east, and has absolutely wiped it out.

Even so, about four percent of the primeval Redwood rainforest remains intact, wild and now protected entirely protected in a chain of small parks strung out like pearls along the north coast of California, including Redwood National Park.

If we go a little bit further south in our little tour of the world, we can go to the Bolivian edge of the Amazon, here also in 1975, and if you look really carefully, there's a thin white line through that kind of seam, and there's a lone farmer out there in the middle of the primeval jungle.