TY  - RPRT
TI  - check_picks_x: A program for checking the travel time picks of crosswell seismic and radar data
AU  - Karl Ellefsen
PY  - 2000
DO  - 10.3133/ofr00109
UR  - https://pubs.usgs.gov/publication/ofr00109
ID  - ofr00109
ER  -