Additional Reading

Little, Mickey. Hiking and Backpacking Trails of Texas, sixth edition (Taylor Trade Publishing, Houston: 2005).

Parent, Laurence. Hiking Big Bend National Park, second edition (FalconGuides/The Globe Pequot Press, Guilford, Conn.: 2005).

Schneider, Bill. Hiking Carlsbad Caverns and Guadalupe Mountains National Parks, second edition (FalconGuides/The Globe Pequot Press, Guilford, Conn.: 2005).