Yazar
Bill Kilroy
4 cilt bulundu.
Cilt sonuçları
Single-tree spray application project
Bill Kilroy · USDA Forest Service, Technology & Development Program
14 sayfa · 1996
Application / Spraying and dusting in agriculture / Pesticides
Boulder buster
Bill Kilroy · U.S. Dept. of Agriculture, Forest Service, Technology & Development Program
10 sayfa · 1998
Rock splitters (Machines)
Two decades of development and evaluation of GPS technology for natural resource applications
Bill Kilroy · U.S. Dept. of Agriculture, Forest Service, Technology & Development Program
14 sayfa · 1999
Global Positioning System / Technology & Development Program (U.S.) / Natural resource management areas / History
Tree girdling tools
Bill Kilroy · USDA Forest Service, Technology and Development Program
18 sayfa · 1999
Forest thinning / Equipment and supplies / Technique