TY  - RPRT
TI  - Work of the Ground Water Branch, U. S. Geological Survey (talk given to members of Geology and Forestry Departments of University of Montana)
AU  - F. A. Swenson
PY  - 1952
DO  - 10.3133/ofr52145
UR  - https://pubs.usgs.gov/publication/ofr52145
ID  - ofr52145
ER  -