TY  - RPRT
TI  - Report of North American reporter, topic no. 3, Prospecting for ground water; well sinking and borehole drilling, for 1958 Congress of the International Water Supply Association, Brussels
AU  - A.G. Fiedler
PY  - 1957
DO  - 10.3133/ofr5742
UR  - https://pubs.usgs.gov/publication/ofr5742
ID  - ofr5742
ER  -