TY  - RPRT
TI  - Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota
AU  - D. G. Woodward
PY  - 1985
DO  - 10.3133/wri854107
UR  - https://pubs.usgs.gov/publication/wri854107
ID  - wri854107
ER  -