NGS has posted another huge batch of recovery reports to the data sheets. They might be up to date on submissions.

General list of pests by regionAsh Borer quarantine

>bundle of firewoodIn some places it is illegal to carry firewood between states or even counties. The goal is to reduce the spread of damaging in...

The guy who keeps track of recovery report statistics on the amateur benchmark hunters forum posted this morning that in the last month NGS added 605 ...

And not only do you have to check whether it is approved in your state, check for the maximum on-line hours acceptable. Iowa requires some (2/3?) of ...

3-wireMy final result should have an error estimate on it, which I didn't put on that spreadsheet, or else rounded back to its estimated precision. I...

This is my form for 3-wire level work. The right hand columns of the spreadsheet don't have to be in the field book.Hmmm, looks like I responded to t...

Another paperThere's also this magazine article by J.K. which has more discussion than the slide show. It mentions that the curvature needs to be app...

Trig leveling pdfThis PDF doesn't indicate that its form of trig leveling can be made immune to earth curvature effects, so that is a reason for keepi...

ButchIf trig levels, then shot from both ends, D&R, I hope.

z.crossDid you have a rod level? That would be better than rocking the rod, if the rod has a flat bottom shoe and you are on a flat surface like a st...