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Orthometric Elevations among the Alligators

Professional Surveyor Magazine, April 2004

Tom Jennings

ABSTRACT
A successful methodology for bringing GPS-derived elevations into remote areas of Florida.

Approximately 2,500 years ago, the Chinese philosopher Lao-tzu commented on the nature of water: "Nothing in the world is more flexible and yielding than water. Yet when it attacks the firm and the strong, none can withstand it, because they have no way to change it."

To the State of Florida, bounded as it is by the salt waters of the Atlantic Ocean and the Gulf of Mexico, and interspersed with numerous fresh-water rivers, springs, inland lakes, and its environmental "crown jewel," the Everglades, water is ever-present. While usually a blessing to humankind, it can also be a wrecker of property and an instrument of death.

This article appeared in the April 2004 issue of Professional Surveyor Magazine and is displayed with permission. Copyright 2004 by GITC America, Inc.

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