I was quite surprised at the size of an acre.To plough an acre with with a 9 inch split, a man and his horse would need to walk 16 miles per day.No 9 ...

When I set out a infrastructure site,some clever land surveyors had used non intervisble stations. So no problem, then 2 mile trips to 2 points,then 3...

all of the above,but it does raise the question of whether you would walk past a site,with which you have no connection.Just saying. I used to work in...

I used a chain twice.Only in part of training in 60's. It was only a small "training exercise",but we used range poles calibrated in links for "offset...

Quite an interesting post,which shows how Government (servants) Officers are able to connive with the ilk of Mr. Schmuck. Hint follow the money.Adve...

Onboard data collectors are not everybody's first choice as the onboard programs are fairly rudimentary. To get the best out of a Topcon you will need...