As a member of an archeological team restoring the Mayan ruins in Copan, Honduras, in the 1930s, Harvey Fite first became intrigued by the technique of dry key stone masonry.

(Opus 40 archives,

prob. by Harvey Fite)

Opus 40 at sunset.

(Photo by Peter Jones)

Opus 40 at night, monolith lit by floodlight.

(Photo by Peter Jones)

Ulster County phone book, 1994.

(Photo by Dustin Manocha)

Winter 2001: Snow swirling around the monolith.

(Photo by Susan Manocha)

Winter 2001: Snow covers Opus 40, softening and changing the outlines.

(Photo by Susan Manocha)

Winter 2008: A clear morning after a snowfall.

(Photo by Tad Richards)

Spring 2004: Shadblow in bloom.

(Photo by Tad Richards)

Livia Vanaver dancing at Opus 40, 2008

(Photo by Tad Richards)