Research Article
Sep 1970
National Mapping for Urban Areas
Publication: Journal of the Surveying and Mapping Division
Volume 96, Issue 2
Abstract
The need for topographic mapping with increasing scales and more detail has grown steadily since the inception of the national program. As a result, a mapping scale which began at 1:250,000 has evolved into the present 1:24,000 basic scale. The Geological Survey is exploring the need for general-purpose maps at a larger scale that might help solve the environmental problems of urban areas. The Urban Mapping Coordination Group (five Federal bureaus) is also working towards this goal. A study completed by the System Development Corporation provided valuable related information and statistics. To ascertain how the functions of city agencies can be better served by maps and cartographic data, the Geological Survey recently conducted a study of map use in the District of Columbia government. Also beneficial to urban use is the Survey's development of the orthophotomap and a rapid method of map revision called interim revision. Although the Geological Survey is pledged to continue its primary program – to provide standard-quadrangle topographic coverage at 1:24,000 scale – it will also continue to assess the need for an urban series of general-purpose maps at a larger scale.
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Information
Published In
Journal of the Surveying and Mapping Division
Volume 96 • Issue 2 • September 1970
Pages: 143 - 148
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: Sep 1970
Published online: Feb 12, 2021
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Authors
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Robert H. Lyddan, M.ASCE
Chf. Topographic Engr., U.S. Geological Survey, Washington, D.C.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.