I bumped a couple old threads to the top that may help. Sorry to clutter the forum but links are too tricky on phone.

Bump Old thread may help BigE find his source.

Google search:?ÿ?ÿ?ÿ?ÿ site:rplstoday.com government shutdown blm turns up this from Oct 2013:

I can imagine it moving more than 0.21 ft under working load or wind.

Someone with influence wanted a particular hunk of land where a river ran near diagonally? I'd hate farmng it.?ÿ We had some fields with irregular sha...

Since you don't care where it is, only if it is leaning, do you need the complications of establishing prisms, reference points, preserving them, and ...

I fooled around with the?ÿ@scott-zelenak spreadsheet a bit.?ÿ First, I figured there was no advantage of a spreadsheet over CORPSCON if you couldn't p...

Try the first course as S 86 25 W ?ÿ Edit: shucks.?ÿ Moe beat me by seconds.

Hijack: Silly question because I haven't handled a setup like that.?ÿ Isn't it so top-heavy that it wants to pivot at the midpoint and pull the bottom...

@Wendell?ÿ how did a thread with its most recent post from last April get on top of the list of "Recent Posts" ? Of course, my reply will assure that ...

Does 'utility vault' mean lots of electrical power, perhaps a monster transformer? I can see that putting out electric and magnetic fields that could ...