TY  - RPRT
TI  - Graphs of ground-water levels in Minnesota, 1962-1966
AU  - W. A. Miller
AU  - G.C. Straka
PY  - 1969
DO  - 10.3133/70175752
UR  - https://pubs.usgs.gov/publication/70175752
ID  - 70175752
ER  -