This text explores the natural history of Texas and more than 2900 springs in 183 Texas counties. It also includes an in-depth discussion of the general charact

"In this magnificent book, Oliver Schuchard provides more than sixty-five exquisite black-and-white photographs spanning his thirty-eight years of photography.

In this reprint of a classic piece of cave literature, the famed geologist, J Harlen Bretz, gives a detailed account of the formation and history of Missouri ca