To keep the land in the family . . . To operate the land profitably . . . To leave the land better than they found it . . . Each year, Sand County Foundation's
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
Second in a series of publications from the Institute of Medicine's Quality of Health Care in America project Today's health care providers have more research f
The Encyclopedia of Caves and Karst Science contains 350 alphabetically arranged entries. The topics include cave and karst geoscience, cave archaeology and hum