TY  - RPRT
TI  - Geology and ground-water resources of the lower South Platte River valley between Hardin, Colorado, and Paxton, Nebraska: With a section on chemical quality of the ground water
AU  - Louis Jay Bjorklund
AU  - Richmond F. Brown
AU  - H. A. Swenson
PY  - 1957
DO  - 10.3133/wsp1378
UR  - https://pubs.usgs.gov/publication/wsp1378
ID  - wsp1378
ER  -