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c melvin lepper
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High-resolution seismic reflection techniques for mapping coal seams fron the surface
C. Melvin Lepper · Dept. of the Interior, Bureau of Mines.
17 sayfa · 1976
Coal mines and mining / Geophysical methods / Prospecting / Safety measures / Seismic prospecting
Guidelines for selecting seismic detectors for high-resolution applications
C. Melvin Lepper · U.S. Dept. of the Interior, Bureau of Mines
37 sayfa · 1981
Handbooks, manuals / Seismic prospecting / Seismometers
A microseismic system for monitoring slope stability
C. Melvin Lepper · U.S. Dept. of the Interior, Bureau of Mines
64 sayfa · 1982
Equipment and supplies / Rock slopes / Rocks / Safety measures / Strip mining
A solid-state amplifier for the bridge circuit of a mercury detector
C. Melvin Lepper · U.S. Dept. of Interior, Bureau of Mines
10 sayfa · 1972
Equipment and supplies / Measurement / Mercury