If not sure before you drop a tree this might be a good read
Power Point file, about 3.25mb very good by OSHA
http://www.treeworld.info/manualuploads/loggingppt.ppt
http://www.treeworld.info/f29/guides-proper-tree-felling-usa-nz-46.html
Power Point file, about 3.25mb very good by OSHA
http://www.treeworld.info/manualuploads/loggingppt.ppt
http://www.treeworld.info/f29/guides-proper-tree-felling-usa-nz-46.html