Oh, da big one....Only at 1,100 feet. We have a WAYS to go.

In our little Port Authority subway system we use Allen Spirals;His book was published just before we started tunneling and there may be a link betwee...

Two older but exceptional PDFs on the web;Field Astronomy for the Surveyor (12 Megs).This is a direct download, so beware unless you have a high speed...

Complex proposal.If you are interested in the mathematics of the proposition, they can be found in several definitive sources. The procedures vary fr...

Well, being one, I am the most experienced and educated surveyor on site.Equally adept at layout, control, problem solving, computations, CAD, jugglin...

Oh, btw...whats that tiny little pointy building WAY up town.Only the Empire State Building.Soon to be the second tallest building in NYC.And, third t...

Any thought about slope cover. Is it grass? Weeds? Will it be mown or will it grow four feet tall?What does that mean to exposed rebar.

What the heck, more tips.Converting milliarcseconds of time into decimal degrees;Converting milliarcseconds into decimal degrees;

IF...you could leave out the "boundary" limitation.Some of the oldest known "celestial" survey marks are the pyramids.

John,That is just "real cool".Nice pics and good luck.I'm positive you will nail that And, I have a "little person" I could "lend" you in the future.....