It took me a while, Paul, but I requested the category change.

Ric Moore, post: 450473, member: 731 wrote: Did you check with LA County Surveyor's Office? I would imagine that several there may know about these, ...

BTW, why is this thread under GNSS & Geodesy?Paul in PAOnly because I'm new to the site and did not pay attention to the category. Now I know to l...

Jp7191, post: 450376, member: 1617 wrote: You might search the CLSA forum site. I believe there were posts on that subject a few years ago. Jp Than...

Here is a copy of corner record that is on file in L.A. County which has "convenience" elevations and a corresponding disclaimer. Attached ...

Thanks, Mark and Jim! I'm loving this site and the wealth of knowledge everyone brings to the forums. Should have joined years ago...

Zapper, post: 450345, member: 6470 wrote: Maybe I'm missing something here, but why would one punch the SMH cover, which eventually gets moved by open...

John Hamilton, post: 450273, member: 640 wrote: In the past I expressed my opinion that it would be great to have elevations shown on boundary monumen...

By the way, I would love if anyone has and can repost the 1937 photo (or other City crew photos) and/or the standard diagram that Paul P originally po...

Dave Lindell, post: 450240, member: 55 wrote: I set a lot of those lead and tacks when I was a grunt there (hooks were usually torn out by the sewer m...

If the hooks are really deep, you can hand the string line to the locals (shown hereon) for assistance. Attached files Hooks and helpers.p...

Here you go! Attached files hooks.pdf (326.2 KB) 

Will do when I get in from the field!

Paul Plutae, post: 134990, member: 12 wrote: City of Los Angeles - 1937 workIMHO...hooks in SHM's are one of the best monuments there is. Stable and v...

"Found 2"IP, concrete plug and tag LS---- per (Tract Map), flush. Also found rebar & plastic cap LS----, overlapping 2"IP, no reference, because I...