Berthoud Community Library District

In 1793, William Smith, the orphan son of a village blacksmith, made a startling discovery that was to turn the science of geology on its head. While surveying the route for a canal near Bath, he noticed that the fossils found in one layer of the rocks he was excavating were very different from those found in another. And out of that realization came an epiphany: that by following these fossils one could trace layers of rocks as they dipped, rose...

This map describes the geologic conditions where near-surface evaporite rocks occur in Colorado and the general description and hazard potential of ground subsidence that can occur from rock dissolution in evaporite terrain. This map was created as part of CGS' ongoing mission to inform the public about potential geologic hazards in Colorado, as well as a guide for land-use planning and engineering staff in municipal and county governments whose boundaries...

"Drawing on his decades of field research and up-to-the-minute understanding of the latest science, renowned geologist Andrew H. Knoll delivers a rigorous yet accessible biography of Earth, charting our home planet's epic 4.6 billion-year story. Placing twenty first-century climate change in deep context, A Brief History of Earth is an indispensable look at where we've been and where we're going."--

The Enormous Crocodile is a horrid greedy grumptious brute who loves to guzzle up little boys and girls. But the other animals have had enough of his cunning tricks, so they scheme to get the better of this foul fiend, once and for all!

This third installment finds Middle-Earth on the verge of great change. Frodo and Sam are approaching Mount Doom to destroy the One Ring and a massive battle is about to ensue that will determine the fate of Middle Earth.

"The final work of J.R.R. Tolkien's Middle-earth fiction"--In the Tale of The Fall of Gondolin are two of the greatest powers in the world. There is Morgoth of the uttermost evil, unseen in this story but ruling over a vast military power from his fortress of Angband. Deeply opposed to Morgoth is Ulmo, second in might only to Manwë, chief of the Valar: he is called the Lord of Waters, of all seas, lakes, and rivers under the sky. But he works in...

A family fights for survival as a planet-killing comet races to Earth. John Garrity, his estranged wife Allison, and young son Nathan make a perilous journey to their only hope for sanctuary.

Provides an illustrated narrative of Earth's 4.6 billion-year history and the progress science is making in deciphering its mysteries.

A picture-reference book on the origin and evolution of the earth, what the process has done to man, and what our destiny may be on this planet.