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  • DMT conference image
  • DMT conference image
  • DMT conference image
  • DMT conference image
  • DMT conference image
A workshop series that focuses on collegial interaction, to develop efficient and standardized methods for digital geologic mapping, publication, and GIS analysis
About the Workshop

The Digital Mapping Techniques workshop series ("DMT") brings together scientists, cartographers, and GIS specialists, from State and Federal agencies, as well as Universities, the private sector, and international colleagues. This annual series of workshops began in 1997. It is a highly regarded venue that has contributed to the development and evolution of digital mapping techniques, standards, and guidelines both in the United States and internationally.

The workshop's objective is to foster informal discussion and exchange of technical information and expertise, and to develop more efficient methods for the many aspects of creating, managing, and serving digital geoscience map information. There is not, of course, a single "solution" or approach to digital mapping that will work for each agency or for each program or group within an agency. Instead, each agency must plot its own course, based on personnel, funding, and many other constraints. The value of the DMT workshops and similar forums is their role in helping to design or refine these agency-specific approaches to digital mapping, and especially to find applicable approaches used by other agencies.

For information regarding the DMT workshops, or if you wish to attend our next meeting, please contact Dave Soller (drsoller@usgs.gov).


Register for the Meeting

Please join us for the DMT'14 workshop, June 1-4, 2014, on the University of Delaware campus in Newark, Delaware. Our hosts will be the Delaware Geological Survey, the U.S. National Geologic Map Database, the Association of American State Geologists, and the U.S. Geological Survey.


Since the DMT's inception in 1997, the meeting focus has remained consistent, including but not limited to the following topics. However, suggestions for new topics are most welcome! Even if you can't attend the meeting, we welcome your ideas and guidance for topics, and we'll try to work them into the agenda. The presentations given on these topics will be available online, shortly after the workshop.

  • Cartographic techniques for creating paper and digital-format geologic maps from field notes, manuscript maps, and map databases
  • Information management and delivery (e.g. Web-accessible databases, Web Services)
  • Design and implementation of individual and corporate geologic map databases; in particular, continued development of the National Geologic Map Database
  • Migration of map data to new formats (for example, from Arc coverages or shapefiles to ArcGIS Geodatabases)
  • Preservation of unpublished earth science information
  • The use of LIDAR or other advanced terrain models for field work and map/database preparation
  • 3-D databases and/or visualization techniques
Workshop Proceedings and Selected Presentations

The Digital Mapping Techniques workshops are an outcome of collaboration between the state geological surveys (represented by the Association of American State Geologists, or AASG), and the U.S. Geological Survey. In August,1996, the AASG and USGS met in in St. Louis, Missiouri, to plan for development of standards and guidelines under the newly-established National Geologic Map Database. At that meeting, a Data-Capture Working Group was formed, and charged with "Providing guidance on data-capture techniques through facilitation of information exchange" and "conducting workshops to share experiences and insight and evaluate technology." This Working Group organized the first Digital Mapping Techniques workshop, in 1997, and was active for several years thereafter. Some information about each DMT meeting is given below.

Each workshop consists of oral and poster presentations, and numerous informal discussion sessions; many are supported by a paper contained in the Proceedings volumes listed below. These papers describe technical and scientific methods under development or in use in a particular project, agency, or technical community. You're also invited to contact the presenter for further information.

* Indicates proceedings are not published

Digital Mapping Techniques '13 * Presentations
June 2-5, 2013. The seventeenth annual DMT workshop was hosted by the Colorado Geological Survey and the Colorado School of Mines, in Golden, Colorado. Seventy three technical experts from 31 agencies, universities, and private companies attended, including representatives from 19 State geological surveys.

Digital Mapping Techniques '12 * Presentations
May 20-23, 2012. Hosted by the Illinois State Geological Survey, in Champaign, Illinois. Seventy three technical experts from 34 agencies, universities, and private companies attended, including representatives from 25 State geological surveys.

Digital Mapping Techniques '11 * Presentations
May 16-19, 2010. Hosted by the Virginia Division of Geology and Mineral Resources and The College of William & Mary, in Williamsburg, Virginia. Seventy seven technical experts from 30 agencies, universities, and private companies attended, including representatives from 19 State geological surveys.

Digital Mapping Techniques '10 Proceedings  |  Presentations
May 16-19, 2010. Hosted by the California Geological Survey, in Sacramento, California. More than 110 technical experts from 40 agencies, universities, and private companies attended, including representatives from 19 State geological surveys.

Digital Mapping Techniques '09 Proceedings  |  Presentations
May 10-13, 2009. Hosted by the West Virginia Geological Survey, in Morgantown, West Virginia. Nearly 90 technical experts from 42 agencies, universities, and private companies attended, including representatives from 24 State geological surveys.

Digital Mapping Techniques '08 Proceedings  |  Presentations
May 18-21, 2008. Hosted by the Idaho Geological Survey, in Moscow, Idaho. More than 100 technical experts from 39 agencies, universities, and private companies attended, including representatives from 19 State geological surveys.

Digital Mapping Techniques '07 Proceedings |  Presentations
May 20-23, 2007. Hosted by the South Carolina Geological Survey, in Columbia, South Carolina. More than 85 technical experts from 49 agencies, universities, and private companies attended, including representatives from 27 State geological surveys.

Digital Mapping Techniques '06 Proceedings |  Presentations
June 11-14, 2006. Hosted by the Ohio Geological Survey, in Columbus, Ohio. More than 110 technical experts from 51 agencies, universities, and private companies attended, including representatives from 27 State geological surveys.

Digital Mapping Techniques '05 Proceedings |  Presentations
April 24-27, 2005. Hosted by the Louisiana Geological Survey, in Baton Rouge, Louisiana. More than 100 technical experts from 47 agencies, universities, and private companies attended, including representatives from 25 State geological surveys.

Digital Mapping Techniques '04 Proceedings |  Presentations
May 16-19, 2004. Hosted by the Oregon Department of Geology and Mineral Industries, in Portland, Oregon. Nearly 100 technical experts from 40 agencies, universities, and private companies attended, including representatives from 22 State geological surveys.

Digital Mapping Techniques '03 Proceedings |  Presentations
June 1-4, 2003. Hosted by the Pennsylvania Geological Survey and held in Millersville, PA. Nearly 90 technical experts from 36 agencies, universities, and private companies attended, including representatives from 22 State geological surveys.

Digital Mapping Techniques '02 Proceedings
May 19-22, 2002. Hosted by the Utah Geological Survey, in Salt Lake City, Utah. More than 100 technical experts from 40 agencies, universities, and private companies attended, including representatives from 30 State geological surveys.

Digital Mapping Techniques '01 Proceedings
May 20-23, 2001. Hosted by the Geological Survey of Alabama, in Tuscaloosa, Alabama. One hundred eight technical experts from 48 agencies, universities, and private companies attended, including representatives from 31 State geological surveys.

Digital Mapping Techniques '00 Proceedings
May 17-20, 2000. Hosted by the Kentucky Geological Survey in Lexington, Kentucky. Ninety nine technical experts from 42 agencies, universities, and private companies attended, including representatives from 28 State geological surveys.

Digital Mapping Techniques '99 Proceedings
May 19-22, 1999. Hosted by the Wisconsin Geological and Natural History Survey in Madison, Wisconsin. Ninety one technical experts from 42 agencies, universities, and private companies attended, including representatives from 30 State geological surveys.

Digital Mapping Techniques '98 Proceedings
May 27-30, 1998. Hosted by the Illinois State Geological Survey in Champaign, Illinois. More than 80 technical experts attended, mostly from the State geological surveys and the USGS.

Digital Mapping Techniques '97 Proceedings
June 2-5, 1997. Hosted by the Kansas Geological Survey, in Lawrence, Kansas. Seventy three technical experts attended, from 30 State geological surveys, the USGS, and the Geological Survey of Canada.

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