TY  - RPRT
TI  - Telluric profiling studies in the Penrose area, Colorado
AU  - Karen R. Christopherson
AU  - Kevin H. Nervick
AU  - William D. Heran
PY  - 1981
DO  - 10.3133/ofr81461
UR  - https://pubs.usgs.gov/publication/ofr81461
ID  - ofr81461
ER  -