TY  - RPRT
TI  - Improvements made on the use of type curves
AU  - W.C. Walton
AU  - W.J. Drescher
PY  - 1952
DO  - 10.3133/ofr52163
UR  - https://pubs.usgs.gov/publication/ofr52163
ID  - ofr52163
ER  -