Northing & Easting
Making sure things are where they really are...
Showing posts with label
geology
.
Show all posts
Showing posts with label
geology
.
Show all posts
Friday, March 4, 2011
Happy Birthday USGS
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Missed it by a day, but Happy Birthday to the US Geological Survey! The USGS was established on 3 March 1879, almost as an afterthought ...
Monday, December 27, 2010
Which Way North? (Part II) - The Pocket Transit
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In Which Way North? (Part I) we discussed the history of the magnetic compass and talked a bit about magnetic declination. Now let's s...
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