I thought you fine Forestry and Logging folks would enjoy this. It's a study done by the Forest Service in 1978-1981 on felling trees uphill vs. sidehill or downhill.
View attachment 301966
View attachment 301967
View attachment 301968
View attachment 301969
View attachment 301970
View attachment 301966
View attachment 301967
View attachment 301968
View attachment 301969
View attachment 301970