TY  - RPRT
TI  - Direct-current vertical electrical-resistivity soundings in the Lower Peninsula of Michigan
AU  - D.B. Westjohn
AU  - P.J. Carter
PY  - 1989
DO  - 10.3133/ofr89244
UR  - https://pubs.usgs.gov/publication/ofr89244
ID  - ofr89244
ER  -