Category: Uncategorized

04.11.2009

The Davis Quadrant

In the 17th and 18th centuries the principal instrument of the navigator at sea was the Davis quadrant, also known as English quadrant,…

04.11.2009

The New Mexico Notch

In writing about the boundaries of our state in previous columns I concerned myself primarily with the surveys, which put these lines on…

04.11.2009

A Surveyor's Mythology

A Surveyor’s Mythology I claim the stars high in your heaven, Zeus. Cassiopeia’s chair, Orion’s faithful hound. Arcturus, Leda’s twins, and Betelgeuse, Are…