Welcome to the Kids' Library!

FDBH, a program for simulating electromagnetic waves from a borehole antenna

Ellefsen, Karl.
Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey, 2002. 2002

Field demonstrations of five geophysical methods that could be used to characterize deposits of allu

Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007. 2007

Four models used for numerical simulation of a borehole radar antenna

Ellefsen, Karl.
[Denver, Colo.?] : U.S. Dept. of the Interior, U.S. Geological Survey, [2003] 2003

An introduction to using surface geophysics to characterize sand and gravel deposits

Lucius, Jeffrey E.
Reston, Va. : U.S. Geological Survey, 2007. 2007

An introduction to using surface geophysics to characterize sand and gravel deposits

Lucius, Jeffrey E.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006. 2006

PickSw, a program for interactive picking of S-Wave data, version 2.00

Ellefsen, Karl.
Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey, 2002. 2002

S-wave refraction survey of alluvial aggregate

Ellefsen, Karl.
Reston, Va. : U.S. Geological Survey, 2005. 2005

Seg2edit a program for editing and manipulating SEG-2 files

Ellefsen, Karl.
[Denver, Colo.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2003. 2003