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Abstract

Program 'pick_xwell' is used to interactively pick travel times in 
crosswell seismic and radar data. In addition, the traces and the
travel times can be plotted on the computer screen or printed to a 
file in postscript format. The program is written in the IDL 
programming language, and it is executed, in command-line mode, within 
the IDL program. The IDL program must be run from an X-window 
terminal that is connected to a computer with the Unix operating 
system. The data must be in the SU format.