Wow. Good for you to undertake the building of sustainable trails. I help maintain and manage hiking trails where bikes and horses are not allowed. So we only have to manage for foot traffic and natural erosion. How are trails built to handle bike and horse impact? Can you describe mechanized trail building?
Oil is good, grease is better.
2007 Peter Mooney w/S&S couplers/Terry Butterfly
1993 Bridgestone MB-3/Avocet O2 Air 40W
1980 Columbus Frame with 1970 Campy parts
1954 Raleigh 3-speed/Brooks B72