Add Dominica Van Koten or Belle Craig to that list but we have dozens more if you want to count.- jlw
And at least in the 7 ranges the townships are numbered north from the river starting in the east tier and moving west sort of like the sections in th...
I am wondering if the gun has a reflectorless mode which uses a laser diode.Back in the day when HP came up with the 3820 they used a laser diode. A y...
Around 20 years ago NGS occupied or tied in many of the DC monuments. I have not checked lately but at one time I think at least temporary values wer...
Dave...I actually made the observations for the exam 'baseline' at one of the last MS exams, and even in Southern CA (Riverside) I did the observation...
Retracement Survey - Initial MonumentAs an aside, sort of from another recent thread...you sure don't need any state laws requiring you to tear that o...
Deral...Those mouse pads were produced by BLM Cadastral Survey, Eastern States where I worked my last 20 years. They would often give them away at se...
I doubt if you will find a total station with a kern base unless it is 20 or so years old and a Kern. I think they got into digital instruments briefl...
Well your tongue (a very sensitive instrument) but it might be wrong... the basic premise when it comes to the chsin device or mearuring instrument is...
Looks like a standard Kern type tripod.They are somewhat rare and usually go for a premium price on ebay, although the one pictured looks a like it wa...
Zengrange was one major outfit that made programmable modules for the 41C. If you have the programming tools (hardware interfaces) you can take your ...
ANOTHER...Probably 10's of C&GS or NGS marks are lost every month. Probably 100's for USGS marks. There really aren't the resources in government...
You can have data that is in SPC or collected in geodetic with GPS, and you can report it in ground distances every day of the week. Almost every stat...
Roughly 10 years ago probably in commemoration of some anniversary, a number of surveyors from PA and MD made and effort to position with GPS a large ...
Way back at the dawn of the internet as a public utility, the internic was essentially 'network solutions' company with a monopoly on domain naming. T...
Regards the M&D line, there are lots of sources, but one good one is a transcription of one set of Mason & Dixon Journals which tell in detail...