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On a recent flight from Frankfurt to Atlanta I whiled away the seemingly endless hours by reading The Da Vinci Code. I am…

"Certainty generally is illusion and repose is not the destiny of man." Oliver Wendell Holmes, Jr. Unlike many of his peers who complained…

In response to a pointer from Earl F. Burkholder I recently read an interesting book with the eye-catching title of: The Mapmaker’s Wife,…

Maps have always been associated with military intelligence and map making has been high on the list of required skills in the officer…

The first half of this article was published in the February 1997 issue of BENCHMARKS under the title: The Tunnel of Eupalinos, a…

In the April 1991 issue of BENCHMARKS I wrote about the tunnel of Eupalinos on the island of Samos. Recently I have been…

In August I traveled to Flagstaff where the Arizona surveyors had invited me to speak about Spanish land grants. The Arizona grants were…

In the September issue of BENCHMARKS I wrote about HR 1823, the proposed "Guadalupe Hidalgo Land Claims Act of 2001". It is a…

The Monastery of Santa Clara in the old Castilian market town of Tordesillas was originally built as a royal palace. Today, its Gothic…

In New Mexico as well as in Arizona the name of Will Tipton is inextricable linked to investigations of Spanish and Mexican land…