The APLIC conference always includes a tour of a local information center. It's one of my favorite parts of the conference. I knew that we were touring the Geomap Geological Data Center in Dallas which is the largest supplier of geologic mapping services in the United States. These service are used to determine the best places to drill for oil and petroleum and other fuels. It was a large paper based library of "logs" - little journal books about a certain location. I thought it would be very high tech with lots of GIS and seismic tools. It was very low tech, in fact.
Here are some photos: