by Robert Birkby ยท 1996
ISBN: 1594851662 9781594851667
Category: Sports & Recreation / Outdoor Skills
Page count: 340
From the leading conservation organization--the trail building and maintenance bible, now updated and expanded to meet new techniques and new realities of the 21st century. New chapters on arid lands restoration and involving conservation volunteers. The latest in effective management of work crews of all ages.