@misc{indiciae35735632b468, title = {Reconnaissance of the ground-water resources of the Elkhorn River Basin above Pilger, Nebraska, with a section on chemical quality of the water}, author = {Thomas Gwyn Newport and R. A. Krieger}, year = {1957}, doi = {10.3133/wsp1360i}, url = {https://pubs.usgs.gov/publication/wsp1360I}, note = {Source identifier: wsp1360I} }