Abstract
Abstract : This history of research and development activities at the Engineer Topographic Laboratories (ETL) during the decade 1968-1978 has been prepared in part to satisfy the Corps of Engineers requirement for periodic updates of the histories of its field organizations. In 1973, ETL published John T. Pennington's History of U.S. Army Engineer Topographic Laboratories (1920-1970), ETL-SR-74-1. This document will cover the years 1968-1978, the period ETL has been known by that title. Our goal, in addition to meeting official requirements, has been to describe some of the major accomplishments of this small, but highly active agency. For the past 10 years, the men and women of ETL have been involved in an electronic and computer-based technological revolution. Although the technology has become harder for the layman, military and civilian alike, to understand, it has provided - and promises to provide in the future - the U.S. Army with better systems to meet its needs for topographic maps, terrain information, surveying, and the like. This historical update is designed to increase public understanding of the unclassified research and development programs at the Engineer Topographic Laboratories.
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