Bio-Diversity Christopher Gill to Editor of Big Bend Sentinel on Elk Removals by Texas Parks and Wildlife Department I felt that several comments made by TPWD Executive Director, Carter Smith, defending elk removals, needed rebuttal.
Boyd elder Valentine Artist Boyd Elder Sets a Contour All patterns are plowed on contours which are reset every 200 feet. The device shown here is an optical transit.
habitat restoration Plow Design. Timing of Treatments. Possible Seed. This exchange should be read from the bottom up. It deals with various aspects of designing and using the Yeomans plow.
Contact Soil Resources A group of leading soil, rangeland, bug and social scientists are setting out to fill the science gap.
Chris Gill and Ken Yeomans Keyline Treatment of Headcuts A central concept of Keyline-pattern subsoiling is plowing downwards in valley-forms and upwards on ridge-forms.
habitat restoration Keyline Concepts for Subsoiling Always plow valleys downwards and ridges upwards. This is the heart of Keyline subsoiling and the major unrecognized aspect of contouring which can actually cause erosion to increase.
Erosion Control Flash Flood in 17 Draw, August 31, 2006 In the old West Texas joke, a visitor asks the old cowboy, “How much rain do you get a year?” To which the old boy replies, “Only 11 inches, but you ought to be here on the day it comes!”
Erosion Control Old Roadbeds Cause Erosion When the original settlers came, they took their teams and wagons up the valley bottoms.
