surveying on the moon is very easy; there's just no atmosphere.- No GPS.- No evidence or monuments to tie into.- No magnetic pole if I remember correc...

The problem is that LandXML will transfer the TIN points and the lines that connect them but it will not include any of the information used to create...

You may also want to try purging Regapps. Use -purge to get the command line version of the command. Note - the regular purge command with the dialog...

I have 64 bit drivers for that model of plotter - they were created for the 64 bit version of XP, but we have used them with Vista and Win 7. If you ...

In this page all of the photo captions list the tower separately from the actual mill, and some include the name of the tower supplier. I can't see i...

The Aeromotor flyer near the bottom of this page suggests that Aeromotor didn't really get going until about 1890. It certainly seems possible that t...

So if you do one of these surveys in Death Valley - do you certify the roof with a negative height?