Show simple item record McDonald, James Pavey, Richard R. Venteris, Erik R. Wells, Joseph G. 2010-06-03T18:45:07Z 2010-06-03T18:45:07Z 2008
dc.identifier.citation McDonald, J., Pavey, R. R., Venteris, E. R., and Wells, J. G., 2008, Digital Mapping Techniques ‘07—Workshop Proceedings, U.S. Geological Survey Open-File Report 2008-1385. en
dc.description This poster was presented at the 2007 meeting of the Digital Mapping Techniques Conference in Columbia, South Carolina, May 20-23, 2007. en
dc.description.abstract The Ohio Department of Natural Resources, Division of Geological Survey is currently mapping the surficial geology of Ohio in three dimensions (3-D) using a modified version of the stack-mapping technique of Kempton (1981). The stack-mapping technique depicts the geology for an area in 3-D by listing the unconsolidated (mostly glacial) geologic units from the surface to bedrock, the thickness of each unit, and the underlying bedrock unit. The new mapping of the surficial geology is intended to replace the older and smaller-scale mapping that was based upon generalized, two-dimensional mapping techniques. Three ArcMap-based software applications were developed to assist with the stack-unit mapping program. The first software application used the lithologies from water wells to create on-screen graphics representing the stratigraphic columns for each well record. These stratigraphic columns are interpreted by the geologist to assign a generalized stack unit for each polygon. The second software application consists of two tools used to attribute and label the stack-map polygons, which will capture the information in the GIS and for cartographic display. The first tool attributes a one-to-many relationship between a surficial-geology polygon and the lithology table. The second tool labels the surficial-geology polygons with the stack text for use in map publishing. The third application performs custom queries against the lithology table that can be used to create derivative mapping products, such as location and thickness of sand and gravel resources. These three applications allow the efficient creation of 3-D surficial-geology polygons and labels within a GIS database, and provide analysis tool to facilitate the use of the 3-D surficial geology maps for specific applications. en
dc.description.sponsorship Great Lakes Geologic Mapping Coalition, U.S. Geological Survey en
dc.language.iso en_US en
dc.publisher U.S. Geological Survey en
dc.relation.isversionof en
dc.rights This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License. To view a copy of this license, visit or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA. en
dc.rights.uri en
dc.subject Ohio en
dc.subject Ohio Department of Natural Resources, Division of Geological Survey en
dc.subject surficial geology en
dc.subject unconsolidated sediments en
dc.subject glacial geology en
dc.subject 3-D mapping en
dc.subject GIS en
dc.subject GIS database en
dc.subject stack-map en
dc.subject stack-map polygons en
dc.subject stack-unit mapping en
dc.subject ArcMap software applications en
dc.title GIS Tools for 3-D Surficial Mapping in Ohio en
dc.type Article en

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