The North American Datum of 1983

A Collection of Papers Describing the Planning and Implementation of the Readjustment of the North American Horizontal Network

The North American Datum of 1983


Selling the True Time

Nineteenth-century Timekeeping in America

Selling the True Time

This first comprehensive, scholarly history of timekeeping in America studies the transition from local to national timekeeping, a process that led to Standard Time—the worldwide system of timekeeping by which we all live. The book describes the contributions of the railroad industry, university astronomers, clockmakers, and civil and electrical engineers.

Spatial Reasoning for Effective GIS

Spatial Reasoning for Effective GIS

Spatial Reasoning for Effective GIS by Joseph K. Berry This incisive and witty book describes the development of geographic technology from maps that simply tell us "Where is what?" to systems that help us decide "So what?" It encourages new understandings of mapped data, data analysis procedures, and the uses of maps, fostering an appreciation of GIS as an effective analytical tool in many complex processes. The cover image was generated by Innovative GIS Solutions, Inc., Fort Collins, Colo., using its RAPiD Surfing software to enhance the terrain analysis capabilities available with the ARC/INFO GIS.?* The image was created using Digital Elevation Model data for the Elsinore Valley Municipal Water District of the Santa Ana mountains in southern California. The image represents a 3-D perspective looking north toward Lake Elsinore with partial renderings of analytical hillshading and shaded relief draped on a wire frame elevation model. ?*RAPiD Surfing is a trademark of Innovative GIS Solutions, Inc., Fort Collins, Colo. ARC/INFO is a registered trademark of Environmental Systems Research Institute Inc., Redlands, Calif.

GPS for Land Surveyors

GPS for Land Surveyors

Since the last edition of this international bestseller, GPS has grown to become part of a larger international context, the Global Navigation Satellite System (GNSS). Both GPS and GNSS technologies are becoming ever more important in the everyday practice of survey and mappers. With GPS for Land Surveyors, Third Edition, a book written by a land s

Bulletin

Bulletin