Abstract
The National Mapping Division, U.S. Geological Survey, has begun a major new system development effort called MARK II that has as its goal the implementation of advanced tech nologies and production procedures that will satisfy projected requirements of the National Mapping Program through the year 2000. At that time, it is planned that the National Digital Cartographic Data Base will be fully operational, with its contents based essentially on digital data. These data will represent the 7.5-minute, 1:24,000scale map series, as well as other smaller scale series, and will be the central focus of the Division's mapping activities. To accomplish this ambitious goal, a series of development tasks are being implemented to (1) expand and improve mass digitization capabilities, (2) modify data structures to support increased content and access requirements, (3) develop digital revision capability, (4) develop product generation capability for standard, derivative, and digital products, (5) improve quality control, and (6) support advanced analysis and applica tions. Development of the MARK II system has begun, and implementation over the next few years will lead to full production of 1:24,000-scale digital data in the early 1990's.
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