A framework supporting a substantially moisture-sealed enclosure and a wall that cooperates with the framework to define an open compartment, wherein the wall is movable along a reciprocal path for adjusting the size of the open compartment. The sub-volumes include discrete sampling locations and are located within at least two geophysical data sets. The server enables concurrent computer application processing for multiple simultaneous thin client users each having a multimedia terminal using a communication link to connect them to the server.