Thanks will try looking around regarding those suggestions....
ya, lots of pictographs in lower valley of area, but this was in sub alpine area, south west British Columbia, just north of Hope
Maybe you can research to find out if the local native tribes used markers to establish the boundaries of their claimed territory or marks to show the way for traveling through really rough terrain.
Good thinking Bill,I sure wish the limb was'nt there, I've often wondered if they used s circle to represent a drill hole and something else to represent the distance.