TY  - RPRT
TI  - Preliminary investigation of seismic tremors in the general area of the Leyden coal mine gas-storage reservoir, Colorado
AU  - Frank W. Osterwald
AU  - John B. Bennetti
AU  - C. Richard Dunrud
PY  - 1973
DO  - 10.3133/ofr73214
UR  - https://pubs.usgs.gov/publication/ofr73214
ID  - ofr73214
ER  -