TY  - RPRT
TI  - Summaries of technical reports, volume VII
AU  - Jack F. Evernden
AU  - Wanda Seiders
AU  - Jean Thomson
PY  - 1978
DO  - 10.3133/70114658
UR  - https://pubs.usgs.gov/publication/70114658
ID  - 70114658
ER  -