TY  - RPRT
TI  - Map showing availability of data for selected deep drill holes in the northern Midcontinent, U.S.A.
AU  - D. N. Mugel
PY  - 1986
DO  - 10.3133/mf1835a
UR  - https://pubs.usgs.gov/publication/mf1835A
ID  - mf1835A
ER  -