A teacher mining for galena with the assistance of Barry Power, Herst & Assoc. as MIC President Alan Ruble, Continental Cement, overlooks.

An Interface attendee checks out the Science Rocks & Minerals CD-ROM.

John Kennedy, The Doe Run Company, explains the Science Rocks & Minerals CD-ROM to a teacher.

Left to right: Mike West, The Mine Supply Co.; Ira Satterfield; Barry Power, Herst & Associates; and Charlie England, The Mine Supply Co.

Angie Nations, The Doe Run Co.

L to R: Mike West, The Mine Supply Co.; Roger Yount, The Doe Run Co.; and Gene Koebbe, Pea Ridge Iron Ore Company

L to R: Chuck Stack, Harbison-Walker Refractories; Tracy Willhite, Purcell Tire & Rubber Co.; George Carr, Carr Engineering Services; and Barry Power, Herst & Associates.