TY  - RPRT
TI  - Bibliographic supplement to U.S. Geological Survey Bulletin 1426 for 1975 through June 1977
AU  - Wenonah E. Bergquist
PY  - 1978
DO  - 10.3133/ofr78349
UR  - https://pubs.usgs.gov/publication/ofr78349
ID  - ofr78349
ER  -