Note: The coordinates of the NE corner of the plaza in Santa Fe, as scaled by me from a 7 1/2 min. quad…
Author: Fred Roeder, LS
Pitt Ross of Albuquerque
Among early New Mexico surveyors one of the most widely known was Pitt Ross. Not only did he play a leading role in…
Robbins and the Arizona Line
The location of New Mexico’s west boundary is based on the geographic coordinates of Ship Rock established by the Wheeler survey of 1874….
Cultures Collide at Richland Creek
For many years there circulated amongst surveyors a copy of a letter, probably apocryphal, in which an attorney traces the title of a…
In Retrospect
Two prominent southwestern historians wrote in an introduction of a jointly published book: "Americans are a people peculiarly addicted to celebrating anniversaries." I…
A Score of Years
The following column I wrote under the title “In Retrospect” for the July 1998 issue of BENCHMARKS. I made some changes to reflect…
Robert B. Stephenson As Remembered by Fred Roeder
In the spacious, Southwestern style home he built in 1975 high on the steep west bank of the Rio Grande in Albuquerque I…
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,…
Surveyor of the Public Domain – A Portrait of William Pelham
William Pelham held office as the first Surveyor General of New Mexico from 1854 until 1860. His tenure has been examined by Victor…
The Square of Pegasus
The accuracy to which today’s surveyors locate a point on the surface of the globe, and the speed with which precise measurements are…