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jlwahl
jlwahl
@jlwahl
Member
Joined: July 1, 2010 7:07 pm
Topics: 5 / Replies: 199
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RE: Story on the History of Invar.

Did you read anywhere about a phenomena where invar tapes suddenly changed length? I have read something like that in either a C&GS or Army manua...

14 years ago
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RE: Cfeds

The 'talking points', for CFEDS have evolved over the years. At least at one point in the initial years it was discussed that the training could be an...

14 years ago
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RE: Bibb County Question

Check out a thread from back in July:Bibb/ Monroe County Lineby Dallas Morlan , Delaware Ohio, Monday, July 09, 2012, 09:32 (127 days ago) @ DKeithKi...

14 years ago
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RE: ***Land Surveyors Wounded Warriors Charity Auction***

Oops, was the middle of the night when I did that. No, never mind, sorry.- jerry

14 years ago
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RE: ***Land Surveyors Wounded Warriors Charity Auction***

$401.01 cents.I still need another 41cx for my collection. - jlw

14 years ago
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RE: Hypothetical Physics Problem

One thing no one that I see has mentioned that makes much of the analysis incomplete.The center of the earth is probably very very hot. As water or a...

14 years ago
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RE: BLM File Notes

The image is if a card that is now found on the back of the plats for those found in Eastern States General Land Office records which is the custodian...

14 years ago
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RE: 5 chain bust in a whole township!

Sounds like .....If we an 'out' or tally is 10 physical chains pulled out 'til the 11th pin is dropped that is 10 x 33 feet or 10 half chains which is...

14 years ago
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RE: Errata, 1001 Solved Surveying Fundamentals Problems

If you want to email me the problem, I can probably give you a fairly definitive answer. Explaining and defending double proportion seems to have bec...

14 years ago
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RE: Calculate Grid Azimuth using HP48 programs

A quick google search shows me someone posting an SPC program for the 48gx on the California Land Surveyors forum a couple of years ago. If you can't...

14 years ago
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RE: Double Sets of Section Corners...

Some confustion the thread title implies double section corners but my interpretation of the original post was refering to the quarter corners on the ...

14 years ago
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RE: Image opacity

I believe for a bitonal tif in autocad you can make one color transparent. That was many versions ago. Looking for words like "transparent" in your ...

14 years ago
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RE: Double Sets of Section Corners...

I won't go into the GLO's logistics and rationalization of costs for the procedure suffice to say that is the decision that they made. Remember that ...

14 years ago
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RE: Lat, Long BLM Plat

The field notes often describe how the lat/long were determined and often provide details of what corner was tied and how the position might have been...

14 years ago
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RE: Lat, Long BLM Plat

Would you be willing to supply a link to the plat or the township involved.- jerry

14 years ago
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RE: Original Surveys / Telegraphic Time Signals

There are a number of survey archives which describe actual activities in regard to telegrachic transfer.Here is one of the later ones I am aware of:T...

14 years ago
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RE: SAVE the CORNERS

I am still confused. Why are you appealing to this forum for relief on this local issue. You perhaps have a right to be 'outraged', but you also have ...

14 years ago
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RE: SAVE the CORNERS

Who is the 'they' that are doing the chaining? Certainly seems unlikely to be a consortium of 500 land owners, but more likely the feds, or a state ag...

14 years ago
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RE: Following a Survey with State Plane Coordinates...

I am a little confused by your question. If the survey was given as in SPCS then wouldn't you normally figure that was the truth? i.e. That the bearin...

14 years ago
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RE: Department of the Interior: US Fish and Wildlife

It has been at least 20 years since a state private survey license has been taken into account for OPM qualifications for the land surveyor positions....

14 years ago
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