I have a few in Nevada, Utah, Wyoming, but never gave a crap about Texacus.;-) Loyal

RIGHT!I forgot that part...(k @ mid-point)Thanks,Loyal

It's been awhile since I needed to do it, but as I recall:k' = (k1 + k2 + 4((k1+k2)/2))/6k1 = Scale Factor @ Pt.1k2 = Scale Factor @ Pt.2Loyal

talk me into H, Loyal.I would say that Ellipsoid Height (H) could be problematical in some cases, which is why I tend to like Geocentric X/Y/Z (folks ...

Sorry...Lat/Lon/H (or maybe geocentric X/Y/Z) is my choice.Nothing ambiguous about LLH (or XYZ for that matter), so long as you clarify the Datum and ...

Markings are SOP...See Page 39, Section 76, 1902 Manual.As I recall it started with the 1894 Manual, but it may have been earlier, I would have to che...

Markings are SOP...for that particular corner (Center of the Township), under certain circumstances and certain Manuals. Quite common in these parts i...

Well....in the Public Land States, I would submit that most of what we do falls into one of the following categories. 1. Original Survey (probably wit...

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BillGene is still chasing Mineral Surveys, and will be giving a talk about Mineral Survey matters at the 2014 Rocky Mountain Surveyors Summit in Arvad...

Your guess is as good (or bad) as anybody else's.Talk about crappy (virtually non-existent) metadata...Tie in Hilltop-1938 and a few of this yoyo's "c...

A couple of quick (SHORT version) comments:WGS84 (all realizations), is/are both a DATUM and an associated ELLIPSOID. The geometric difference between...

Norman> > That's not exactly how I meant it.I suspected as much.I only wished to clarify what I figured was obvious (to you and me anyway).Loyal

> > I do like LDPs but if a surveyor can't survey in this simple surface coordinate system how in the heck will he figure out an LDP?> If a s...

GPS MidnightThe observation does (as Paul pointed out) cross GPS Midnight. This is ONLY a problem when the file is submitted BEFORE the Rapid Ephemeri...

Willy;Shoot me the RINEX file, and I'll take a look at it.LDO-at-aol-dot-comLoyal

List of Public Land Orders

The NGS Geoid Models have come a LONG WAY since GEOID93.I doubt that .75 meters is really as uncommon as you may think (at least here in Western CONUS...

Try this:'Pan' down to the Southwest Corner of a quad, and read the USGS metadata there. It will tell you what Datum the Quadrangle was "drawn" expres...