surveying

Various technical occupations are discussed with information given about working conditions, employment, outlook, wages and where to look for more information.

Provides a history of the Mason-Dixon Line, the boundary between Maryland and Pennsylvania surveyed by Charles Mason and Jeremiah Dixon, discussing the property disputes, family feuds, and exploration associated with it.

Presents a history of the Mason-Dixon line, including how it came to be, and the symbolism it holds in America. Includes black-and-white illustrations.

The construction of a transcontinental railroad was one of the United States' greatest technological achievements. railroad track had to be laid over 2,000 miles of rugged terrain, including mountains of solid granite. The first spikes were driven in 1863, in the midst of the Civil War.

Explains what surveys are, looks at the types of information that can be gained from surveys, features hints and tips on conducting research, handling data, and presenting results, and includes photographs, diagrams, and investigations.

Chronicles the difficulties encountered by George Davidson and others as they attempted to create nautical charts to complete the U.S. Coast Survey of the West Coast in the mid-nineteenth century.