@misc{indiciae550936ef5e28, title = {Estimation of the recharge area contributing water to a pumped well in a glacial-drift, river-valley aquifer}, author = {D. J. Morrissey}, year = {1987}, doi = {10.3133/ofr86543}, url = {https://pubs.usgs.gov/publication/ofr86543}, note = {Source identifier: ofr86543} }