David L Campbell

• Annotated bibliography of geophysical methods for characterizing mine waste, late-1994 through early-2000
• Audio-magnetotelluric soundings in the Delta, Utah 1p0s x 2p0s CUSMAP quadrangle
• BASIC programs to calculate gravity and magnetic anomalies for 2 1/2-dimensional prismatic bodies
• Geoelectrical laboratory and field studies of materials from the Tucson Mine dump near Leadville, Colorado
• Geoelectrical laboratory measurements of materials from the May Day Mine dump, southwestern Colorado
• Graphs and tables used to describe electrical measurements of samples of unconsolidated materials, USGS Petrophysical Laboratory - Denver